11. We have always thought very __ of him.

　　A. Highly

　　B. Well

　　C. Greatly

　　D. enough

　　12. He told his friends that he was going to Japan __.

　　A. On duty

　　B. On business

　　C. On board

　　D. On the spot

　　13. It’s no use __ for a doctor. It’s too late already.

　　A. To send

　　B. Sending

　　C. By sending

　　D. Having sent

　　14. I know you’re planning to travel this summer, but do you know __?

　　A. How much cost it will be

　　B. How much has it cost

　　C. How much it will cost

　　D. How much will it cost

　　15. Childish __ she may be, she is kind and friendly.

　　A. If

　　B. Although

　　C. As

　　D. however

　　16. ---Tom, is there __ wrong with the car?

　　---Yeah, the engine refuses to start.

　　A. Anything

　　B. One thing

　　C. Nothing

　　D. none

　　17. __succeed in doing anything.

　　A. Only by working hard we can

　　B. By only working hard we can

　　C. Only by working hard can we

　　D. Only we can by working hard

　　18. By the end of next month, you __ here for three years.

　　A. Will have studied

　　B. Study

　　C. Will study

　　D. Have studied

　　19. Your temperature has dropped, so you __ take that medicine.

　　A. Don’t

　　B. Mustn’t

　　C. Needn’t

　　D. Can’t

　　20. ___