A kangaroo cannot jump if its tail is ________ the ground. [ ]A. on B.

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A kangaroo cannot jump if its tail is ________ the ground.    [     ]
A. on
B. in
C. of
D. off

答案

举一反三

—What happened __________ you, Mary? You looked so sad.
—I couldn"t find my MP3. It"s a present from my mother.         [     ]
A. with
B. on
C. for
D. to

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I don’t have a partner to practice English___ on the weekend.[ ]

A. to
B. with
C. and
D. for

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When I entered the classroom,   _______ my surprise, all of the students stood up quickly.[     ]
A. for
B. with
C. to
D. in

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On summer nights, we often go to sleep   ____ the window open.[     ]
A. in
B. with
C. on
D. at

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改错1. To she surprise, this phone call changed her life.          (      )
          A        B                                 C       D2. Parents should not be too strict in teenagers.                (      )
       A                        B  C           D3. I can"t think of any good advices to give her.                (     )
                   A      B                C                 D4. I haven"t seen my cat for two days. I"m very worry about her.           (     )
                 A                  B                                  C               D
                                                                                                             (     )5. You would rather stay at home and read a book than to go to a party.
                  A                   B                                      C             D
                                                                                                                            (     )

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