Bộ 15 Đề thi học kì 1 Tiếng anh mới 12 có đáp án- Đề số 1

To reduce pollution, we have to stop to use many things that make our lives uncomfortable.

17/50

To reduce pollution, we have to stop to use many things that make our lives uncomfortable.

To reduce

to use

that

uncomfortable

Giải thích

Chọn đáp án B