问题补充:
Ladies and gentlemen, please fasten your seat belts.The plane .
A. takes off
B. is taking off
C. has taken off
D. took off
答案:
A. takes off
(答案→)B. is taking off
C. has taken off
D. took off
解析:可联系答.案.网客服索取。
时间:2020-09-12 10:26:28
Ladies and gentlemen, please fasten your seat belts.The plane .
A. takes off
B. is taking off
C. has taken off
D. took off
A. takes off
(答案→)B. is taking off
C. has taken off
D. took off
解析:可联系答.案.网客服索取。
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