一、1.Vocabulary and Structure
0. While______the children"s energetic play, I felt like an old man even though I am only 40.
A.to watch
B.having watched
C.watched
D.watching
1. When______that their apartment had been broken into, they quickly called the police.
A.found
B.to be found
C.finding
D.having found
2. ______unable to help in any other way, I gave her some money.
A.I was
B.Being
C.Because to be
D.Having been
3. ______alone, young children can get themselves into all sorts of trouble very quickly.
A.If left
B.Leaving
C.To leave
D.Having left
4. ______attention to where she was going, she stepped into a hole and sprained her ankle.
A.Not paying
B.Not paid
C.Paying not
D.Not to pay
5. After______down my newspaper, I walked over to the window and looked out.
A.having put
B.putting
C.to put
D.put
6. The children ran into the classroom, their faces______with sweat.
A.dripped
B.were dripped
C.were dripping
D.dripping
7. He was lying on the grass, his hands______under his head.
A.crossing
B.were crossing
C.were crossed
D.crossed
8. He remained in hospital for two weeks, all his expenses______by his company.
A.paying
B.to pay
C.paid
D.only to pay
9. There were 22 players in the team, the youngest______hardly more than 17 years old.
A.only to be
B.to be
C.being
D.having been
10. Mary hasn"t turned up yet. I think the train she took______.
A.must be delayed
B.might be delayed
C.might have been delayed
D.should have been delayed
11. We______make any more sandwiches because there are enough to go around.
A.needn"t
B.mustn"t
C.shouldn"t
D.may not
12. You______about it. It"s in all the newspapers.
A.could have heard
B.might have heard
C.must have heard
D.should have heard
13. This new evidence proved that he______at the scene of the crime.
A.should have been
B.could not be
C.should not be
D.could not have been
14. They______at lunch time but the flight was delayed.
A.ought to have arrived
B.ought to arrive
C.must arrive
D.must have arrived