—You seem to have known Dr. Ken for a long time.—That’s true. ________ he joined our club years ago.
#34031
A
Since
B
Until
C
When
D
If
推荐题目
Henry must have stayed up last night, ________ he looks so tired and sleepy.
#34065
A
for
B
as
C
though
D
since
It is said _________ was how Chinese characters developed.
#34565
A
that
B
that which
C
that that
D
what
We can’t take part in the competition ________ we get our student card.
#33335
A
before
B
if
C
While
D
as
You should try to get a good night’s sleep_________much work you have to do.
#79769
A
however
B
no matter
C
although
D
whatever