1、单选题：
So far nobody has claimed the money ____ in the library.
选项：
A:discovered
B:having discovered
C:to be discovered
D:discovering
答案: 【discovered】

2、单选题：
Many buildings in the city need repairing, but the one___ first is the library.
选项：
A:being repaired
B:repairing
C:to be repaired
D:repaired
答案: 【to be repaired】

3、单选题：
That is the only way we can imagine ___ the overuse of water is students' bathrooms.
选项：
A:reducing
B:to reduce
C:reduce
D:reduced
答案: 【to reduce】

4、单选题：
A great number of students ___ said they were forced to practice the piano.
选项：
A:to be questioned
B:questioning
C:questioned
D:to question
答案: 【questioned】

5、单选题：
Now that we've dicussed our problem, are people happy with the decisions ____?
选项：
A:taking
B:to taken
C:take
D:taken
答案: 【taken】

6、单选题：
The players ____ from the whole chountry are expected to bring us honor in this summer game.
选项：
A:to select
B:having selected
C:selecting
D:selected
答案: 【selected】

7、单选题：
On receiving a phone call from his wife _____ she had a fall, Mr Gordon immediately rushed home from his office.
选项：
A:saying
B:to say
C:said
D:says
答案: 【saying】

8、单选题：
The island, ____ to the mainland by a bridge is easy to go to.
选项：
A:joined
B:to join
C:having joined
D:joining
答案: 【joined】

9、单选题：
The rare fish, ____ from the cooking pot, has been returned to the sea.
选项：
A:saving
B:having saved
C:saved
D:to be saved
答案: 【saved】

10、单选题：
Mrs.White showed her students some old maps ____ from the library.
选项：
A:borrowed
B:to be borrowed
C:borrowing
D:to borrow
答案: 【borrowed】