题目内容：

五、用括号里所给单词的适当形式填空

1.I am watching my dog _______ (play) with a ball now.

2.Children often enjoy _______ (play) computer games.

3._______ (take) a bus from Sixth Avenue and go down Bridge Street.

4.Walk down New Street and turn left at the first _______ (cross).

5.Do you want _______ (buy) books?