20. --I would like to take a two-day trip next week.

-- ______. We are too busy to afford it.

　　 A. Out of the question　 B. Don’t mention　 C. Don’t worry　 D. Pardon me

19. It turned out to be sunny, ______ was more than we expected.

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

18. Would you like to give a performance at our school art festival ______ next month?

　　 A. being held　　 B. to hold　　 C. to be holding　　　 D. to be held

17. If I knew her number, 1 would ring her ______.

A. down　　　　　 B. up　　　　　 C. back　　　　 D. out

16. Winter has gone and many people have ______ their winter clothing and take out their summer clothing.

A. set aside　　 B. set out　　　 C. set off　　　 D. set about

15. --Our class won the basketball match held last month. That is what makes me excited.

-- ______.

A. Congratulate　 B. Congratulations　 C. Congratulated　 D. Congratulating