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Câu hỏi:

19/07/2024 66

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

The scientists make tireless efforts. Vaccines for Covid-19 are developed so fast.

A. Without the tireless efforts of scientists, vaccines for Covid-19 wouldn’t be developed so fast.

B. If the scientists don’t make tireless efforts, vaccines for Covid-19 won’t be developed so fast.

C. Supposing the scientists made tireless efforts, vaccines for Covid-19 would be developed so fast.

D. If the scientists make tireless efforts, vaccines for Covid-19 will be developed so fast.

Đáp án chính xác

Trả lời:

verified Giải bởi Vietjack

Chọn D

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