They ______ in the library then. （   ）

A．are

B．was

C．were

Choose and correct the wrong words：
He workina hospital before. （______）________
A  B C

翻译下列句子（用过去式）
1. 爱迪生发明了电灯。
___________________________________________________
2. 卓别林演出了很多有趣的电影。
___________________________________________________
3. 冼星海是一个音乐家。
___________________________________________________
4. 齐白石是一个画家。
___________________________________________________

用所给单词的正确形式填空。
1．All the gifts __________ (be) small.
2．Yesterday I ___________ (go) shopping with my mother.
3．Lynn ________________________ (bring) a Christmas tree to school tomorrow.
4．I want __________ (give) my family something special.
5．Now we are ______________________ (put) up the Christmas tree.

改写单词
Yesterday the girl _______________ (show) me a nice skirt. I _______________ (like) it very much.