Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 năm 2023 có đáp án (Đề 4)

the amount of carbon dioxide which is given (63) ________ by factories and power plants, thus attacking the problem at its source.

55/97

the amount of carbon dioxide which is given (63) ________ by factories and power plants, thus attacking the problem at its source.

off

away

up

over

Giải thích

Chọn A