用括号内所给单词的适当形式填空。
1.Last summer, I often went ______ (swim) in the river in my home town.
2.We all hope ______ (watch) the great football match.
3.The twins ______ (have) a good time at the party last night.
4.The girl ______ (sell) many flowers and made much money.
5.It took us two hours ______ (get) to Shanghai by train.
6.I spent the whole morning ______ (clean) my house.