— Why didn't you stop her going swimming alone? — She had left the room _____ I had time to do it．
#31660
A
after
B
before
C
till
D
as
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____time goes by, Mother’s hair is turning gray and the wrinkles on her face deeper.
#31872
A
with
B
as
C
while
D
when
The government is trying to reduce people’s fear _________ they are likely to be affected by the nuclear radiation.
#32915
A
whether
B
what
C
that
D
how
Along with the letter was his promise he would visit me the New Year.
#30623
A
which
B
that
C
what
D
whether
_____ the city’s public school system should be open to the children of migrant workers has become the focus of discussion.
#31093
A
Whether
B
What
C
That
D
If