26. The students hurried to the classroom ______ the bell rang.

A. as soon as　　 B. until　　 C. if　　　 D. so that

25. –_____ should your robot need repairing?

　　 – Every six months.

A. How long　　 B. How often　 C. When　　 D. What time

24. Daniel with Simon _______ baseball every Saturday afternoon.

A. play　　 B. plays　　 C. has played　　 D. have played

23. –Your dress is just wonderful!

–_______.

A. You are right, thank you!　　 B. Thank you, and you?

C. Yes, yours is worse.　　　　 D. Thank you . I’m glad you like it.

22. –Can you go shopping with us this afternoon?

–Sorry, I can’t. I _______ take care of my little sister because she is ill.

A. can　　 B. may　　 C. would　　 D. have to

21. There is going to _____ a car exhibition in Sunshine Town tomorrow.

A. has　　 B. have　　 C. be　　 D. hold

20. The ______ (five) month of a year is May.

19. Don’t forget _________ (brush) your teeth before breakfast.

18. It’s cold today. We must keep the windows _________. (close)

17. Daniel and his friends enjoyed ______ (they) at the robot exhibition center last week.