Ⅰ.用所给动词的适当形式填空
1．(2015·郑州第三次质量检测)Without anyone ________ (notice), the little boy slipped through the window.
2．We saw the big ship turn upside down, ________ (throw) its passengers into the water.
3．________ (be) a leader for a long time, Mary found it hard to become an ordinary clerk again.
4．(2015·贵州八校第二次联考)The door of the house opposite to ours remains ________ (close) all day long.
5．—Is that Mr. Brown?
—Sorry, he's not in at the moment. Shall I have him ________ (return) your call?
6．The computer just won't start. Something seems ________ (go) wrong with it.
7．I stopped the car ________ (take) a short break as I was feeling tired.
8．Laura was away in Paris for over a week. When she got home, there was a pile of mail ________ (wait) for her.
9．The airport ________ (complete) next year will help promote tourism in this area.
10．The couple is considering ________ (buy) a 3D TV set for their new flat, which is widely considered to be in fashion.
11．________ (disappoint) at the way he had been treated in the hotel, John complained to the manager.
12．________ (surround) by beautiful green mountains and located at the foot of Mount Lu makes it a famous tourist attraction.
