15、There were so many wonderful things that it was hard _____________.

A. to be chosen　 B. to choose from　　 C. to choose　　 D. for choosing

14.There are five beautiful pairs _______, but I’m at a loss which to buy.

A. to be chosen　　 B. to choose from　 C. to choose　　 D. for choosing

13、It was at 10 o’clock _________ the front door bell rang.

A. when　 B. where　　 C. that　　　 D. which

12. It was 10 o’clock ___________ the front door bell rang.

A. when　　　 B. where　　　 C. that　　　　　 D. which

10. The theory he had stuck ________ to be true.

A. proved　　　 B. to proving　　　 C.　 to prove　　 D. to proved

11 It was reported that not until the project ______ did the engineers leave.

A. they completed　 B. completing　 C. was completed D. they had completed

6. Mathilde thought that it was __________ that Jeanne did her to lend her diamond necklace.

A. possible　　 B. kind　　 C. necessary　　　　　 D. a favor　　　

7 It was the poor slaves that the slave owners in those days had ________ from darn until dark.

A. working　　　 B. works　　　　　 C. to work　　　　 D. worked

8 The manager discussed the plan that they would like to see ___ the next year.

A. carry out　　 B. carrying out　　 C. carried out　　 D. to carry out

9 In those days, Madam Curie was working day and night to discover ________ many scientists had failed to discover.

A. that　　　 B. all what　　　 C. what　　 D. which

5. What limited money the able housewife made full use of _______ such a big family!

A. to support　 B. support　　　 C. supporting　　 D. supported

4. Which do you enjoy_________ your weekend, fishing or watching TV at home?

A. spend　　 B. to spend　　　 C. spending　　　　 D. being spending

2．--I love you more than Susan.

　 --You mean more than ________ love Susan or more than Susan loves ________.

A. you, me　　　 B. you, you　　　 C. I, me　　　　 D. I , you

.3. Whom did the teacher _________ an article for the wall-newspaper?

　A. has written　　 B. have written　　 C. have to write　　 D. have write

1．________ is known to anyone with eyes is that the elephant looks like neither a wall or a fan.

A. What　　　　　 B. It　　　　　 C. As　　　　　 D. That