36._____________37._____________38._______________39.______________40.___________

10. Doctor Nike will be the one 　　　　　the operation on my mother.

9. When the oil is used up, the fire will __　　　 by itself.

8. He proved a success at school, and he should ________ his school record.

7. My grandfather is already in his sixties, but sometimes he __　　 a schoolboy.

6. The chemistry professor _________ all night, doing his experiments.

5. My new glasses 　　　　. I can’t find them anywhere in my room.

4. The chairman ________ the meeting should be put off till tomorrow.

3. Jenny made much greater progress in her studies than 　　　　.