He______to Australia on business before.[ ]A. has been B. has gone

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He______to Australia on business before.[     ]
A. has been
B. has gone
C. went
D. will go

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举一反三

Sorry, my father isn"t at home. He ______ to Nanjing.[     ]
A. has gone to
B. has been
C. went
D. will go

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

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—How do you like Beijing,Mr Black? 
—Oh, I ______ such a beautiful city.[     ]
A. don"t visit
B. didn"t visit
C. haven"t visited
D. hadn"t visited

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—What do you think of the film?
—I have no idea. Because I _____ it. [ ]
A. don"t seen
B. didn"t saw
C. haven"t saw
D. haven"t seen

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The film _____ for half an hour. [ ]
A. has begun
B. has been on
C. has been begun
D. begun

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