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VIII: 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:Medical researchers are continually looking for ways to control,_________ and cure diseases.  

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

Câu hỏi

Nhận biết

VIII:

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:

Medical researchers are continually looking for ways to control,_________ and cure diseases.  


A.
prevented    
B.
to prevent
C.
prevent     
D.
preventing
Đáp án đúng: C

Lời giải của Luyện Tập 365

Đáp án là C. Cấu trúc tương đồng với liên từ “and”, ta thấy các động từ không chia “ control”, “cure” => prevent cũng giữ nguyên k chia. 

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