Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions A fire – fighter severely ______ while he _____ to put out a fi...

Câu hỏi :

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

A. was being injured – would help

B. has been injured – helped 

C. had been injured – has helped

D. was injured – was helping 

* Đáp án

D

* Hướng dẫn giải

Đáp án D

was severely injured: bị thương nặng

while + Hiện tại tiếp diễn / quá khứ tiếp diễn: trong khi đang làm gì

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