-Do you know him well ?- Sure. We ______ friends since ten years ago.[ ]A.

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-Do you know him well ?
-  Sure. We ______ friends since ten years ago.[     ]
A.  were
B. have been
C. have become
D. have made

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举一反三

Hurry  up! The  play __________ for  ten  minutes.[     ]
A.  has  begun
B.  had  begun
C.  has  been  on
D.  began

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_____ you seen it before?[ ]
A.Does
B. Do
C. Has
D. Have

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---How long ____ you _____?
---- For five days.[ ]
A. do; paint
B. are; painting
C. did; painted
D. have painted

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Both  his  parents  look  sad . Maybe  they  _____ what"s  happened  to  him. [     ]
A.  knew
B.  have known
C.  must know
D. will know

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The famous writer _____ one new book in the past two year.[     ]
A. is  writing
B. was  writing
C. wrote
D. has  written

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