1. 根据所给图片填上合适的单词

          

1. （1） The workers use to make a house．
3. （2） There are many tall  in the city．
5. （3） Where did you put the ? I need some to light the candles．
7. （4） Plant more  to make our city beautiful and clean．
9. （5） Thick is over there．There must be a fire．