Meaning: 'Start' refers to the time at which something begins, particularly in this context, the beginning of the workday.

Wrong options:

• end: The word 'end' refers to the conclusion of something, which does not fit the context of arrival time for work.
• complete: The word 'complete' is a verb that does not function as a noun in this context, making it grammatically incorrect here.
• explain: The word 'explain' is a verb that does not relate to the concept of time and is not suitable in this context.
• change: The word 'change' is a verb that does not fit as a noun for the time of arrival.
• wash: The word 'wash' is also a verb and does not relate to the concept of time, making it inappropriate for this blank.

Correct answer: change

Explanation: The word 'change' is a verb that fits grammatically and contextually, as it describes an action that may be required before starting work, such as changing clothes.

Meaning: 'Change' means to make something different, in this case, to alter one's clothing before beginning work.

Wrong options:

• end: The word 'end' does not fit as it is a noun and does not describe an action related to preparing for work.
• complete: The word 'complete' is a verb that implies finishing something, which does not fit the context of preparing for work.
• explain: The word 'explain' is a verb that does not relate to the actions needed before starting work.
• start: The word 'start' is a verb that does not fit the context of changing clothes or preparing for work.
• wash: The word 'wash' is a verb that implies cleaning, which is not directly related to the context of changing clothes.

Correct answer: complete

Explanation: The word 'complete' is a verb that fits grammatically and contextually, as it describes the action of finishing all necessary tasks before the workday begins.

Meaning: 'Complete' means to finish or finalize something, in this case, all activities before starting work.

Wrong options:

• end: The word 'end' is a noun that does not describe an action and is not suitable in this context.
• change: The word 'change' is a verb that does not fit the context of finishing tasks, as it refers to altering something rather than completing it.
• explain: The word 'explain' is a verb that does not relate to the action of finishing tasks before work.
• start: The word 'start' is a verb that does not fit the context of completing tasks, as it refers to the beginning of an action rather than its conclusion.
• wash: The word 'wash' is a verb that does not relate to the completion of tasks and is not appropriate in this context.