(2013·高考陕西卷)I have heard a lot of good things about you________I came back from abroad.
#30661
A
since
B
until
C
before
D
when
推荐题目
____time goes by, Mother’s hair is turning gray and the wrinkles on her face deeper.
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A
with
B
as
C
while
D
when
I wrote to my parents once a week,____ I was too busy with my teaching work.
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A
it
B
unless
C
when
D
as
Children’s brains can’t develop properly_______ they lack protein
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A
when
B
since
C
because
D
unless