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With a lot of problems _________,the manager felt like a cat on hot bricks.

   A.solved         B.solving           C.to solve          D.being solve

 In order to find the missing child, the villagers___________ all they can in the past five hours.

   A.have been doing    B.did       C.do          D.had done

 Don’t handle the vase as if it _________ made of steel.

   A. is                        B. were              C. has been         D. had been

This machine is very easy      . Anybody can learn to use it in a few minutes.

   A.  operating    B.  to be operating    C.  operated       D.  to operate

______________should be paid to our study,and only in this way ________make progress.

 A. Heart;we can                B. Mind;can we

 C. Attention;can we             D. Notice;we can

16. -Are you familiar _______ the music?

    -Yes. The music is familiar __________me,but I can`t remember when and where I heard.

   A.with;with           B.to;to            C.to;with          D.with;to

News report say peace talks between the two countries _________with no agreement reached.

   A. have broken down   B. have broken out   C.have broken in    D. have broken up

There must be somebody in Tom`s home.I`m sure that either Tom or his parents _______ at home now.

A. are             B. is              C. were            D. was

 I`d like to buy a house-modern,comfortable,and ____________ in a quiet neighbourhood.

  A.in all               B.above all          C.after all             D.at all

Recently I bought an ancient Chinese knife,__________was reasonable.

A.which price       B.the price of which        C.its price        D.the price of that