【题目】用所给词的适当形式填空。
【1】We all like ______(watch) fireworks and firecrackers.
【2】It makes the street ______(mess).
【3】Sam, you should ______(put) your rubbish in the bin.
【4】What can we do ______(keep) our city clean?
【5】There is a lot of ______(fish) in the river.
【答案】
【1】watching
【2】messy
【3】put
【4】to keep
【5】fish
【解析】
略
