chọn đáp án và giải thích vì sao chọn vs..

Question 37: D. proud Explanation: In this context, "proud" is used as an adjective to describe the subject "The Children's Youth Shelters." The sentence structure requires an adjective to modify the noun "helps," so "proud" is the correct choice. Question 38: C. in Explanation: The preposition "in" is used to indicate a situation or condition, which fits with the word "homelessness" in this context. Question 39: C. a Explanation: The phrase "making a difference" is a common expression in English, and it requires the indefinite article "a" before the noun "difference."