—How long do you think it will be______ man can finally solve the problem of cancer?—Well，it depends
#30976
A
when
B
until
C
after
D
before
推荐题目
That is the small house less than 20 square meters, under ______Roof lives a large family of three generations.
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A
which
B
whose
C
its
D
that
__________ he is old, the old man still insists on studying at a night school.
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A
If
B
Although
C
When
D
Because
A warm thought suddenly came to me ______ I might use the pocket money to buy some flowers for my mother’s birthday.
#31142
A
that
B
when
C
if
D
which
By improving reading skills, you can read faster and understand more of _______ you read．
#32047
A
that
B
what
C
which
D
whether
She feels her failure very sharply _________-she won’t admit it.
#34762
A
as though
B
now that
C
even though
D
if only