1 . There was a lot of noise outside because repair work __________ (do) to the house at that time. (所给词的适当形式填空)

2 . When I opened my door and was about to leave, I noticed that two men ___________ (question) by the police. (所给词的适当形式填空)

3 . The woman was walking about outside the operation room, because her son_________(operate) on. (用所给词的适当形式填空)

4 . The saleswoman ________ (convince) to promote cigarettes when the manager entered the room. (所给词的适当形式填空)

5 . While I was concentrating on photographing this amazing scene, I suddenly had a feeling that I was ________ (watch). (所给词的适当形式填空)

6 . When I went to pay him a visit in the hospital, he ______ (examine) by the doctor. (所给词的适当形式填空)

7 . —Did you hear the noise downstairs? What was that?
—Yes. I forgot to tell you. A new machine_______ (test) then. (所给词的适当形式填空)

8 . The lost girl ________ (look) for everywhere by her parents and policemen when she suddenly appeared in the park. (所给词的适当形式填空)

9 . When we visited my grandparents last weekend, their new house________ ( paint ) . (所给词的适当形式填空)

10 . The students’ attention________(fix) on their study when all the lights went out. (所给词的适当形式填空)