He was just falling asleep _____ there was a loud knock on the door.
#56552
A
while
B
when
C
then
D
until
推荐题目
What a pity! I have only one ruler in my pencil case. ______ you ______ he can borrow it.
#55424
A
Neither; nor
B
Both; and
C
Either; or
D
Not only; but also
—Is it interesting to play computer games?—Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.
#57470
A
once
B
twice
C
as
D
as soon as
