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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 time every student                  work harder for the coming exam..

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

Câu hỏi

Nhận biết

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 time every student                  work harder for the coming exam..


A.
has to        
B.
had to               
C.
must                      
D.
should
Đáp án đúng: B

Lời giải của Luyện Tập 365

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