Chọn phần gạch chân ( A, B, C hoặc D) là không đúng

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Bài tập 4. Chọn phần gạch chân (A, B, C hoặc D) là không đúng.

1. Before to go out, remember to turn off the lights.
A B C D

2. There is only a few food for dinner, I think you should buy some more to eat.
A B C D

3. He has a great deal of books, most of which are on science and technology.
A B C D

4. Although the bad traffic, I managed to arrive at the meeting on time.
A B C D

5. We have been making prepare for our final examination for two months.
A B C D