30.It there were no examinations ,we should have　　　 at school.

A.the happiest time　　　　 B.a more happier time

C.much happiest time　　　 D.a much happier time

29.I don't really　 work here; I　　　 　until the new secretary

arrives.

A.just help out　　　　　　 B.have just helped out

C.am just helping out　　　 D.will just help out

28.John plays football　　　 , if not better than, David.

A.as well　　 B.as well as　 C.so well　　 D.so well as

27.-Do you like the material?

-Yes, it 　　　　very soft.

A.is feeling　 B.felt　　　　 C.feels　　　 D.is felt

26.Don't all speak at once! 　　　, please.

A.Each at one time　　　　 B.One by one time

C.One for each time　　　　 D.One at a time

25.The missing boys were last seen　　　 　near the river.

A.playing　　　　　　　　　 B.to be playing

C.play　　　　　　　　　　 D.to play

24.-How long has this bookshop been in business?

-　　　 1982.

A.After　　　 B.In　　　　　 C.From　　　　 D.Since

23.-Shall I tell John about it?

-No, you　　　 . I've told him already.

A.needn't　　 B.wouldn't　　 C.mustn't　　 D.shouldn't

22.Rather than　　　 on a crowded bus, he always prefers

a bicycle.

A.ride; ride　　　　　　　 B.riding; ride

C.ride; to ride　　　　　　 D.to ride; riding

21.-I must apologize for 　　　　ahead of time.

-That's all right.

A.letting you not know　　 B.not letting you know

C.letting you know not　　 D.letting not you know