Ladies and gentleman, please fasten your seat belts! The plane ________.
#103002
A
takes off
B
is taking off
C
has taken off
D
took off
推荐题目
If we ________ now to protect our mother river ---Li Jiang River , we ‘ll live to regret it.
#100429
A
haven’t acted
B
won’t act
C
don’t act
D
hadn’t acted
As he _____ in the river for five hours, the thief looked very pale and hopeless.
#104953
A
trapped
B
has been trapped
C
trapping
D
had been trapped