There is a bird in the sky.
#50711
A
fly
B
flying
C
flies
D
to fly
推荐题目
You need ________ fit.
#49609
A
exercise keeping
B
to exercise to keep
C
exercising keeping
D
to exercise keeping
The policeman warned the driver _______too fast. It was very dangerous.
#49600
A
to drive
B
not to drive
C
driving
D
not driving
