During the Resistance War against the US, doctors had to operate ______ injured soldiers under harsh conditions at field hospitals. A. for B. on C. with D. by

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PART I. USE OF ENGLISH (4.5 points)

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

During the Resistance War against the US, doctors had to operate ______ injured soldiers under harsh conditions at field hospitals.

for

with

Giải thích

Đáp án đúng là: B

Ta có cụm từ operate on somebody / something: phẫu thuật cho ai / cái gì

" Chọn B

Dịch:

During the Resistance War against the US, doctors had to operate on injured soldiers under harsh conditions at field hospitals. (Trong cuộc kháng chiến chống Mỹ, các bác sĩ đã phải phẫu thuật cho những người lính dưới điều kiện khắc nghiệt tại các bệnh viện dã chiến)