- the trip? -Yes,we are. [ ]A. Does he enjoy B. Do you enjoy

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-           the trip?
-Yes,we are.    [     ]
A. Does he enjoy
B. Do you enjoy
C. Is Sam enjoying
D. Are you enjoying

答案

举一反三

In this photo,the boy    at the pool.    [     ]
A. swim
B. swims
C. swimming
D. is swimming

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He   on the grass and        the sun.   [     ]
A. is lying ; enjoy
B. is lying ; having
C. is lying; enjoying
D. lies ; enjoy

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Some boys    on the road.        [     ]
A. is running
B. are running
C.is run
D. are run

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Mary is____a postcard____her Friend.   A. sending ; to
B. buying ; to
C. taking; for
D. sending ; from

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Look ! What are the boys _____?[     ]
A. do
B. does
C. doing
D. to do

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