Meaning: Evidence refers to the available body of facts or information indicating whether a belief or proposition is true or valid.

Wrong options:

• proficiency: Proficiency is a noun that refers to a high degree of skill or competence, which does not fit as it does not indicate proof or data.
• competent: Competent is an adjective describing someone who is capable or qualified, which does not serve as a noun in this context.
• poor: Poor is an adjective that describes low quality or ability, which does not fit as it does not indicate proof or data.
• improvement: Improvement is a noun that refers to the process of making something better, which does not fit as it does not indicate proof or data.
• improving: Improving is a gerund that indicates the process of becoming better, which does not fit as it does not indicate proof or data.
• specialisation: Specialisation is a noun that refers to the process of focusing on a particular area of study or work, which does not fit as it does not indicate proof or data.

Correct answer: poor

Explanation: The term 'poor' is an adjective that describes the low quality of English skills. It fits grammatically and contextually as it directly modifies the noun 'skills' and aligns with the negative sentiment expressed in the statement.

Meaning: Poor refers to a low standard or quality, in this case, indicating inadequate English skills.

Wrong options:

• evidence: Evidence is a noun that does not describe the quality of skills and does not fit grammatically in this context.
• competent: Competent is an adjective that describes a high level of ability, which contradicts the context of discussing inadequate skills.
• proficiency: Proficiency is a noun that indicates a high level of skill, which does not fit as it does not describe low quality.
• improvement: Improvement is a noun that refers to the process of becoming better, which does not fit as it does not describe the quality of skills.
• improving: Improving is a gerund that indicates the process of becoming better, which does not fit as it does not describe the quality of skills.
• specialisation: Specialisation is a noun that refers to focusing on a particular area, which does not fit as it does not describe the quality of skills.

Correct answer: competent

Explanation: The word 'competent' is an adjective that describes a satisfactory level of skill or ability. It fits grammatically as it modifies the noun 'level' and aligns with the context of discussing the adequacy of English skills for graduation.

Meaning: Competent refers to having the necessary ability, knowledge, or skill to do something successfully.

Wrong options:

• evidence: Evidence is a noun that does not describe a level of skill and does not fit grammatically in this context.
• poor: Poor is an adjective that describes low quality, which contradicts the context of discussing an adequate level of English skills.
• proficiency: Proficiency is a noun that indicates a high level of skill, which does not fit as it does not describe a satisfactory level.
• improvement: Improvement is a noun that refers to the process of making something better, which does not fit as it does not describe a level of skill.
• improving: Improving is a gerund that indicates the process of becoming better, which does not fit as it does not describe a level of skill.
• specialisation: Specialisation is a noun that refers to focusing on a particular area, which does not fit as it does not describe a level of skill.

Correct answer: proficiency

Explanation: The term 'proficiency' is a noun that refers to a high degree of skill or competence in a particular area, in this case, language skills. It fits grammatically as the object of the preposition 'of' and aligns with the context of discussing the standards required for foreign students.

Meaning: Proficiency refers to a high level of skill or competence in a specific area, such as language.

Wrong options:

• evidence: Evidence is a noun that does not relate to language skills and does not fit grammatically in this context.
• competent: Competent is an adjective that describes capability, which does not fit as it does not serve as a noun in this context.
• poor: Poor is an adjective that describes low quality, which does not fit as it does not relate to the standards of language skills.
• improvement: Improvement is a noun that refers to the process of making something better, which does not fit as it does not describe a level of skill.
• improving: Improving is a gerund that indicates the process of becoming better, which does not fit as it does not describe a level of skill.
• specialisation: Specialisation is a noun that refers to focusing on a particular area, which does not fit as it does not describe language skills.