摘要：22． Ladies and gentlemen, please fasten your seat belts. The plane . A. takes off B. is taking off C. takes up D. is taking up
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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>>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>>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>>