you understand this rule, you’ll have no further difficulty.
#31690
A
Until
B
Unless
C
Though
D
Once
推荐题目
The fireman succeeded in saving all the people in the house on fire, _______they knew they were in great danger themselves.
#30761
A
because
B
since
C
unless
D
though
—Where’s that report? —I brought it to you ____you were in Mr. Black’s office yesterday.
#79989
A
if
B
when
C
because
D
before
(2013·日照一模)—What has made John look like lacking sleep?—________ he had to prepare for the coming exam and stayed up last night.
#30430
A
For
B
Because
C
That
D
What
—Why didn’t you tell him about the meeting?—He rushed out of the room _____ I could say a word.
#79828
A
before
B
until
C
when
D
after
(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