1 . Perhaps she had been ________ (斗争；搏斗) against the window too long and was too tired? (根据汉语提示单词拼写)

3 . We ________ (wait) for him for over an hour when he finally turned up at the meeting. (所给词的适当形式填空)

4 . My grandpa________ (lie) on the sofa before I walked into the room. (所给词的适当形式填空)

5 . Since his return from the United States, Qian Xueshen had been o___________ himself with the great cause of missile development(导弹研发). (根据首字母单词拼写)

6 . By the time I arrived at the cinema, Judy______for twenty minutes.

A．waited

B．has been waiting

C．had been waiting

D．is waiting

7 . She ________ (live) in Paris before she came to China. (所给词的适当形式填空)