I don't think you can work out the maths problem ____ the teacher's help.

A. since                   B. unless             C. because                 D. without

He will return____ three o'clock.           

A.after             B.in                C.on             D.at

The worker can make chairs ____ wood, and also can make paper ____ wood.

A. from, of         B. of, from       C. of. of          D. from, from

－Is your headache getting_____________?        － No, it’s worse. 

         A．better         B．bad    C．less    D．well

Everyone was on time for the meeting _____ Chris, who's usually ten minutes late for     everything.

         A. but       B. only        C. even           D. yet

Boris has brains. In fact, I doubt whether anyone in the class has _________ IQ.　　

Ａ．a high　　    Ｂ．a higher　     ?  Ｃ．the higher　Ｄ．the highest

If we had followed his plan, we could have done the job better with ________ money and ________ people.

A. less; less        B. fewer; fewer  C. less; fewer   D. fewer; less

It is re ported that the United States uses _____ energy as the whole of Europe.     

 A. as twice       B. twice much   C. twice much as   D. twice as much

Tom, you _____ leave all you clothes on the floor like this !

A. wouldn’t        B. mustn’t          C. needn’t        D. may not

 “Is there a flight to London this evening？” “There _______ be. I’ll phone the airport and find it out.”

    A. must                 B. might

    C. would                D. can