câu 2 chia dạng đúng của từ
1 solar panels     on the roof of a house (place)
2 how about       used paper ,bottles and cans every day ?
3 i think we       some canned food before typhoon (buy )
4 i suggest       solar energy instead of coal gas and oil (use )
5 let her     her best to finish her work in time (try)
6 unfortunately ,he        three accidenst recently (have)
7 a new photocopier      in last week (put )
8 thousands of people      in the tsunami in 2004 (die)
9 i remember       to the circus by my grandmother when i was 6 (take )