Câu 1:Chọn đáp án đúng
1. Air........is causing many environmental problems in our citles today.
A. Pollute. B. Pollution. C. Polluting. D. Polluted
2.Singapore is famous for its....... and green trees
A. To flood. B. Cleanly. C. Cleaning. D. Clean
3.This is one of the worst volcanic..... in this year
A. Eruption. B. Erupt. C. Erupting. D. Eruptive
Câu 2:viết lại câu sao cho nghĩa ko đổi
1. Vietnamese students are obligated to wear uniforms when they go to school (have).
2.You are not allowed to use Your mobile phone on the plane .(must not)
Loga
Sinh Học lớp 12
