30. –Look ! What a good garden !

　–Yes . It _________ every day .

A. has been cleaned　　 　B. is cleaned 　　C. is being cleaned　 　　D. was cleaned

29. –I won’t go to bed until the TV play _________ over .

　–You’d better not do that .

A. is　　　　 B. was　　　　 C. will　　　 D. will be

28. –How was your weekend ?

　–Great! We _________ a picnic by the lake .　

　 A. have　 　　　B. are having　 　C. had 　　　　D. will have

27. –I called you yesterday evening , but there was no answer .

–Oh , I am sorry . I ________ dinner in my friend’s home .

A. have　　 　　B. had　 　　　C. was having 　　D. have had

26. –I can’t stop playing computer games .

　–For your health , my boy , I’m afraid you _________ .

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

25. –My aunt goes to climb Mount Gu every Sunday .

–Oh? But she _________ hate climbing mountains .

A. used to 　　B. use to　 　　C. uses to　 　　D. is used to

24. –Must we collect the waste paper and bottles now ?

-_________. You can do it after class .

A. Yes , you must　　　　　 B. No , you needn’t

C. Yes , you may　　　　　 D. No , you mustn’t

23. ____ Lily ____ Lucy may go with you because one of them must stay at home .

A. Not only … but also　　 B. Neither … nor

C. Both … and　　　　　　 D. Either … or

22. You’ll do much better ____ you’re more careful with your spelling .

A. if　　　 B. before　　 C. although　　 D. unless

21. Be careful , ____ you will fall off the tree .

A. so　　　 B. or　　　　 C. but　　　 D. and