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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

Ladies and gentlemen,please fasten your seat belts.The plane______.

A.takes off                          B.is taking 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

 Ladies and gentlemen, please fasten your seat belts. The plane  ________.

  A. takes off       B. is taking 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

Ladies and gentlemen, please fasten your seat belts. The plane________.

A. takes off     B. is taking off       C. has taken off     D. took off

Ladies and gentlemen, please fasten your seat belts. The plane _____.

A. takes off   B. has taken off    C. took off    D. is taking 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

Ladies and gentlemen, please fasten your seat belts. The plane _____.

A. takes off   B. is taking off   C. has taken off   D. took off