He had to be reminded two or three times ________ he could avoid making the same mistake.
#33440
A
before
B
until
C
when
D
after
推荐题目
—The product carries one year’s guarantee. ________ I am covered if it doesn’t work?—That’s right, _______ it’s damaged.
#32655
A
And; if
B
So; unless
C
But; before
D
For; when
Willpower is a kind of quality, _____is _____it takes to do anything well.
#33300
A
what; which
B
what ;what
C
which; which
D
which; what
(2013·宁夏银川一中高三第四次考试)________ scores of times, but he still couldn't understand it.
#30539
A
Having explained
B
Having been explained
C
Though it was explained
D
It was explained
John was cleaning the window and Mary was watching TV.
#33577
A
at the meantime
B
when
C
meanwhile
D
while
Europeans always hold their fork in the left hand, ________Americans switch it between their left and right hands.
#30057
A
before
B
because
C
while
D
since
