初二英语根据过去进行时和一般过去时 用动词正确形式填空

初二英语根据过去进行时和一般过去时 用动词正确形式填空
1.While we （cook）,the telephone rang.
2.The boy (play) the piano when his mother (come) back.
3.While Li Lei (have) a great time playing with his pet,Jim came
in.
4.While he (read),his friend (get) out of the shower.
5.The girl (shop) when her friend (see) her.