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19.Facts prove that the world’s economic development is not a winlose game but one in which all

         be winners.

                B.shall                 C.must                 D.would

  答案  A

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18.-You     repay this debt this week according to the agreement.

  -Don’t worry.I       pay it off before the deadline.

  A.must;will               B.shall;must          C.should;am due to     D.shall;am bound to

  答案  D

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17.Whatever may happen,go on until you succeed,and you      what life is about.

  A.should  know           B.must know            C.have known        D.will know

  答案  D

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16.Naturally,after I have told her what to do,my daughter       go and do the opposite!

  A.may                                   C.must                 D.should

  答案  C

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15.Our monitor       you more help,even though he was very busy.

  A.may give               B.may have given      C.might give         D.might have given

  答案  D

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14.But everyone       observe the rules of the road,Madam.     I read them to you?

  A.must;May              B.will;Can               C.shall;Shall         ;Will

  答案  C

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13.-This is for you.

  -You        have!I don’t know how to thank you.

  A.mustn’t            B.couldn’t              C.needn’t               D.shouldn’t

  答案  D

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12.I tried to call on you last week but your fierce dog simply       not let me come through the gate.

  A.could                 B.would                C.should            D.might

  答案  B

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11.-May I smoke here?

  -If you      ,choose a seat in the smoking section.

  A.should                B.could                C.may                 D.must

  答案  D

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10.It has been announced recently that all the schools     not have students attend school at weekends.

  A.need                  B.shall                 C.could                D.ought to

  答案  B

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