2 . All flights ________ because of the snowstorm, we decided to take the train.

A．were canceled

B．had been canceled

C．having canceled

D．having been canceled

3 . Having   _______（滥用）his position as mayor to give a job to his friends, he is now under investigation. （根据汉语提示单词拼写）

4 . When he awoke, he found himself ________ in the hospital and ________ by an old woman.

A．lain; looked after	B．being laid; looking after
C．lying; being looked after	D．laying; was looking after

5 . ______to work overtime that evening,I missed a wonderful film.

A．Having been asked	B．To ask
C．Having asked	D．To be asked

6 . ____ of danger in the street at night, she had to go home, with a friend ____ her.

A．Warned; accompanied	B．Having warned; accompanying
C．Warning; accompanying	D．Having been warned; accompanying

7 . ______ all her spare time to her study during the three years, Teddy finally took the first place in her school in the College Entrance Examination and received the admission notice from her dream university.

A．Devoted	B．Having devoted
C．To be devoted	D．She had devoted

8 . _________ the task on time, he was fired by the boss.

A．Not completed	B．Not having completed
C．Not have completed	D．Not being completed

9 . ______ around the clock for two days，David managed to finish the report for the manager on schedule.

A．Working	B．Worked
C．Having worked	D．To work

10 . _____ her leg the last time, Brenda decided not to go on the school skiing trip this year.

A．Breaking

B．Broken

C．To break

D．Having broken