B1: chọn đáp án
1. .................... don't you go with us to the stadium this weekend? '' that's a good idea''
A.Why B.How C.What D.When
2. Unless we.................... cutting down trees, we can not prevent floods and other natural disasters
A.will stop B. don't stop C. stop D.to stop
3. It's raining heavily outside, so we................ go out
A. will B. should C.shouldn't D.aren't
b2:Chia động từ
1. We( be)............ to London three times
2.Listen! What language.............. they ( speak) .........?