不少单项填空题干是由学生并不那么熟悉的句式构成的，这无形中增加了试题的难度。要答好这类试题，就必须设法将复杂的、不常见的句式还原成简单的、常见的句式，以便快速地把握句子结构，理解题目意思。还原的方法归纳起来主要有以下几种：

1. 将疑问句还原成陈述句；

2. 将感叹句还原成陈述句；

3. 将倒装语序还原成正常语序；

4. 将省略句还原成完整的句子；

5. 将强调句式还原成一般句式；

6. 将被动语态还原成主动语态；

7. 将复合句还原成简单句。

试做下列各题：

1. Is this factory _______you visited the other day?

A. the one B. that C. where D. when

2. Who did the teacher _______ the article?

A. have written B. have write C. had written D. has writing

3. Is ______you want to say?

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

4. Was it ___she heard with her ears __ really made her frightened?

A. what; that B. because; that C. that; which D. what; /

5. How pleased the Emperor was ______ what the cheats said!

A. hearing B. heard C. hear D. to hear

6. _______what the six blind men said sounded!

A.How foolishlyB.How foolish C.What foolishly D.What foolish

7. To all of you _______honour for the success.

A. belongs to B. belong to C. belongs D. belong

8. Here is a notebook, in which _______the names of the visitors.

A. write B. written C. were written D. was written

9. Never _________ she praised ______ what she did.

A. did; for B. did; of C. was; for D. was; of

10. John plays football _______, if not better than, David.

A. as well B. as well as C. so well D. so well as

11. Could you give us the reason why you didn't do as ______?

A. were told B. to be told C. told to D. told

12. It was _____the old clock that the old man spent the whole morning at home.

A. repaired B. repairing C. to repair D. in repair

13. It was during the Liberation War ______ he died.

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

14. Was it _______yesterday evening _______you met him?

A. on; that B. on; when C. until; that D. not until; that

15. The students are ______ to hand in the exercises before class.

A. wished B. hoped C. agreed D. promised

16. Charles Babbage is generally considered______ the first computer.

A.to invent B.to have invented C.inventing D.having invented

17. His lost eyesight was_____ by his ever sharpening sense of hearing.