Dạng từ
1. Tom rode his bike=-(care)and had an accident
2. We couldn't see the air plane because it =-(behind)the cloud
3. We are talking about the read =...(exist)flying cars
4. Thomas Edison is one of the greatest =..(invent)in history
5. Many streets will be =-.(wide)at the begining of next year
6. Bob feels very tired after two continuous nights of=-(sleep)
7. The=(install)of wind turbines will be completed by next Sunday
8. The infant=-(die)satein many counties in Africa is still very high