In autumn, leaves turn yellow and _________ the trees.
#72146
A
fall out
B
fall off
C
fall down
D
fall over
推荐题目
The little time I had outside of school was _______ with work.
#66008
A
taken on
B
taken off
C
taken up
D
taken away
Passengers on board aren’t allowed _____ calls during take-off.  
#67147
A
making or receiving
B
having made or received
C
to have made or received
D
to make or receive