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In the past the children were made ________ 15 hours a day.

       A.to lock  B.work     C.to work    D.lock

This math problem is too difficult.Can you show me ________， George?

A.what to work out B.to work it out

C.how to work it out D.how to work out it

What time do you expect her ________？

       A.arrive  B.is arriving   C.arriving    D.to arrive

They decided ________ at the end of this month.

       A.to leave  B.going back     C.travel    D.not start out

You need to take notes at the meeting so make sure ________ a pen and some paper with you.

     A.bring      B.bringing   C.to bring      D.not bring

—Why don't you go out to play, Rose?

          —I'm afraid I can't.I have much homework ________.

         A.do           B.does       C.doing            D.to do

—Do you enjoy ________ a volunteer?

           —If you want ________ this, you'd better join us.

          A.being; knowing            B.to be; knowing             

          C.being; to know          D.to be; to know

—Which dress do you like best, Madam?

—Sorry, I can't decide ________ now.

   A.to buy which one    B.buy which one

  C.which one to buy     D.which I should buy it

—Which do you prefer, Chinese food or Western food?

   —I would rather ________ Chinese food.Let's have noodles.

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

It is polite ________ a gift when you visit somebody for the first time.

     A.take       B.taking   C.to take