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III: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Trả lời câu hỏi dưới đây:It is necessary that a life-guard __________ the summing pool while the children are taking their swimming lessons.

III:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to

Câu hỏi

Nhận biết

III:

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Trả lời câu hỏi dưới đây:

It is necessary that a life-guard __________ the summing pool while the children are taking their swimming lessons.


A.
monitored         
B.
monitors   
C.
monitor       
D.
monitoring
Đáp án đúng: C

Lời giải của Luyện Tập 365

Đáp án là C. Cấu trúc chỉ sự đề nghị, gợi ý, khuyên bảo: It’s necessary that + S + V(bare –inf ). – Điều cần thiết là ….

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