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

He seems to forget that there are a lot of things ______ before he can graduate. A. to do B. doing C. that doing D. did

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He seems to forget that there are a lot of things ______ before he can graduate.

to do

doing

that doing

did

Giải thích

Chọn đáp án A