I think ______ of the English books I read last year _______ easy.

A.three-fourths; are B.third fourth; are C.three-fourths; is D.three-fourth; are

I will tell him to call you when my father _________ back.

A.will come B.came C.comes D.is coming

We must do everything we can waste water from running into rivers.

A.keep B.kept C.to keep D.keeping

The reporter asked the boy many questions, but he answered in __________ words.

A.few B.a little C.little D.a few

— Would you mind _______ the window?

—_______. It's too hot in the room.

A.to close; Never mind B.closing; Better not

C.closing; Not at all D.closing; That’s all right

Work hard, __________ you may not catch up with your classmates soon.

A.but B.or C.and D.yet

You've made so many mistakes. Please do your homework ________ next time.

A.careful B.more careful C.carefully D.more carefully

Something terrible happened last night. A thief broke in my house while I _________ .

A.will sleep B.was sleeping C.is sleeping D.slept

It's said that petrol(石油) _____________ in less than 100 years. So we should try to walk more instead of driving cars.

A.used for B.will be used up C.used up D.will be used for

— _________ will the students be back from Guangzhou?    

— In two days, I think.

A.How soon B.How often C.How far D.How fast