Ladies and gentlemen,please fasten your seat belts,the plane______.
#101863
A
takes off
B
is taking off
C
is going to take off
D
is to take off
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When his wife returned from abroad, Kevin ____ his paintings at the art museum in his hometown. 
#100569
A
was exhibiting
B
exhibited
C
would exhibit
D
had been exhibiting
 Mrs. Green wants to buy that kind of cloth because she___________ that the cloth__________ very well.
#104868
A
has been told; washes
B
is told; is washed
C
has been told; is washed
D
is told; is washed
 He left his hometown in 1990, and great changes _________ ever since. 
#99346
A
had taken place
B
took place
C
have been take place
D
have taken place