Ladies and gentlemen, please fasten your seat belts. The plane _________.
#102384
A
is taking off
B
takes off
C
has taken off
D
will be taken off
推荐题目
The old man was taking a walk, ____ by his grandson. 
#104560
A
supporting
B
supported
C
being supported
D
having supported
—Do you like the material?—Yes, it ___________ very soft.
#104918
A
is feeling
B
felt
C
feels
D
is felt