Mary must keep her mind on her medical studies now, so it would be years ______ she could think about marriage.
#32683
A
before
B
when
C
since
D
until
推荐题目
Schools in the north tend to be better equipped, ______ those in the south are relatively poor.
#30796
A
as
B
unless
C
when
D
while
Look! Every player in our team is doing their best. It seems our team is going to win.
#33650
A
even if
B
if only
C
as if
D
only if
Tom was about to close the window__________his attention was eaught by a bird.
#34748
A
when
B
if
C
and
D
till
We must take measures to protect endangered wildlife _______ it is too late.
#80090
A
now that
B
as long as
C
unless
D
before
As a matter of fact, ________ matters most in learning English is enough practice.
#30329
A
where
B
why
C
which
D
what