摘要： Ladies and gentlemen, please fasten your seat belts. The plane . A. is taking off B. takes off C. will be take off D. has taken off
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Ladies and gentlemen, please fasten your seat belts. The plane _________.
A. is taking off B. takes off C. has taken off D. will be taken off
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Ladies and gentlemen, please fasten your seat belts. The plane .
[ ]
A. is taking off
B. takes off
C. has taken off
D. took off
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B. takes off
C. has taken off
D. took off
Ladies and gentlemen, please fasten your seat belts. The plane _______.
A. takes off B. is taking off
C. has taken off D. took off
查看习题详情和答案>>