Đề kiểm tra: Practice test 2 có đáp án

Doctors and scientists ________ recently the benefit of fish in the diet.

5/40

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

Doctors and scientists ________ recently the benefit of fish in the diet.

have shown

will show

are showing

have been showing

Giải thích

Chọn đáp án A