Meaning: 'Will' is used to express a future action or intention.

Wrong options:

• to: The word 'to' is a preposition that does not indicate future action and does not fit grammatically in this context.
• upon: 'Upon' is a preposition that indicates a condition or time but does not express future intention, making it unsuitable here.
• With: 'With' is a preposition that indicates accompaniment but does not convey future action, thus it does not fit the sentence structure.
• Without: 'Without' is a preposition indicating absence, which does not relate to the future gathering of scholars.
• is: The word 'is' is a present tense verb, which does not fit the future context of the gathering.
• was: 'Was' is a past tense verb, which does not align with the future event being described.
• in: 'In' is a preposition that indicates location or time but does not express future action, making it inappropriate here.

Correct answer: to

Explanation: The preposition 'to' is used to indicate purpose or intention, which fits perfectly in the context of the Congress's aim to explore and honor Shakespeare's life and work.

Meaning: 'To' indicates the purpose of the gathering, which is to explore and honor.

Wrong options:

• will: 'Will' is a modal verb indicating future action but does not fit as a preposition indicating purpose in this context.
• upon: 'Upon' is a preposition that indicates a condition or time but does not convey the purpose of the gathering, making it unsuitable here.
• With: 'With' is a preposition indicating accompaniment, which does not express the purpose of the Congress.
• Without: 'Without' is a preposition indicating absence, which does not relate to the purpose of the gathering.
• is: 'Is' is a present tense verb and does not fit as a preposition indicating purpose.
• was: 'Was' is a past tense verb that does not align with the purpose of the gathering.
• in: 'In' is a preposition indicating location but does not express the purpose of the Congress.

Correct answer: is

Explanation: The word 'is' serves as a present tense verb that indicates the current state of the World Congress, which is held every five years. This maintains grammatical coherence and aligns with the ongoing nature of the event.

Meaning: 'Is' indicates the present tense, showing that the Congress currently occurs every five years.

Wrong options:

• will: 'Will' is a modal verb indicating future action, which does not fit the context of describing a recurring event in the present.
• to: 'To' is a preposition that does not serve as a verb and cannot indicate the state of the Congress.
• was: 'Was' is a past tense verb that does not align with the current nature of the Congress being described.
• in: 'In' is a preposition that cannot function as a verb to describe the Congress's frequency.
• upon: 'Upon' is a preposition that does not serve as a verb and does not fit the context.
• With: 'With' is a preposition that indicates accompaniment but does not describe the state of the Congress.
• Without: 'Without' is a preposition indicating absence, which does not relate to the state of the Congress.

Correct answer: in

Explanation: The preposition 'in' is used to indicate location, which fits the context of the Congress being co-hosted in two specific locations. It maintains grammatical coherence and aligns with the description of where the event will take place.

Meaning: 'In' indicates the location where the Congress will be co-hosted.

Wrong options:

• will: 'Will' is a modal verb indicating future action but does not fit as a preposition indicating location.
• to: 'To' is a preposition indicating direction or purpose but does not indicate location, making it unsuitable here.
• upon: 'Upon' is a preposition that indicates a condition or time but does not convey the location of the event, making it inappropriate.
• With: 'With' is a preposition indicating accompaniment and does not express location, thus it does not fit the sentence structure.
• Without: 'Without' is a preposition indicating absence, which does not relate to the location of the Congress.
• is: 'Is' is a present tense verb that cannot function as a preposition to indicate location.
• was: 'Was' is a past tense verb that does not align with the context of indicating location.

Correct answer: With

Explanation: The word 'With' is used as a preposition to introduce the main theme of the Congress, indicating the context in which the Congress will be held. It fits grammatically and contextually as it sets the stage for the discussion of the theme.

Meaning: 'With' indicates accompaniment or association, in this case, introducing the theme of the Congress.

Wrong options:

• to: 'To' is a preposition indicating direction or purpose but does not introduce the theme appropriately in this context.
• Without: 'Without' is a preposition indicating absence, which does not relate to the theme of the Congress.
• is: 'Is' is a present tense verb that cannot function as a preposition to introduce the theme.
• was: 'Was' is a past tense verb that does not align with the context of introducing the theme.
• in: 'In' is a preposition indicating location but does not introduce the theme of the Congress.
• upon: 'Upon' is a preposition that indicates a condition or time but does not convey the theme, making it unsuitable here.
• will: 'Will' is a modal verb indicating future action but does not fit as a preposition to introduce the theme.