_______ is necessary for you to lock the car when you don’t use it.
#93923
A
What
B
This
C
It
D
That
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There are three times __________.
#93606
A
as many girls as boys
B
as many girl as boy
C
as many girls as boy
D
as many girl as boys
It was the first time she ___ her motherland.
#92313
A
has left
B
left
C
had left
D
leaves
______could be judged from her eyes that she was  terribly sorry for what she ______.
#95119
A
It; had done
B
That;did
C
As;did
D
As;had done