PRACTICE TEST 1- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

Each of the students ______ responsible for doing his or her work in the library. A. is B. are C. seem to be D. have been

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Each of the students ______ responsible for doing his or her work in the library.

is

are

seem to be

have been

Giải thích

Chọn đáp án A