Đề thi kì 2 lớp 7 môn Anh - Phòng GD Bắc Ninh 2019
3. Biogas helps solve the problem of indoor
A. water pollution B. soil pollution C. air pollution D. noise pollution
4. In the future, the will be used as the main environmentally friendly energy sources.
A. the wind and the sun B. water and the sun
C. wind and the sun D. coal and oil
Đáp án đề thi kì 2 lớp 7 môn Anh - Phòng GD Bắc Ninh 2019
Theo TTHN