I was reading attentively in my own room ________ suddenly he knocked at the door.
#33711
A
when
B
while
C
then
D
as
推荐题目
---Mum, can I go out to play football with Alice? ---No, you can’t your homework is done.
#33770
A
while
B
after
C
until
D
as
—Did you remember to give Mary the money you owed her?—Yes. I gave it to her ________I saw her.
#31442
A
while
B
the instant
C
suddenly
D
once
We need some more facts and figures ______ we make the final decision.
#30185
A
since
B
before
C
after
D
until
That dog ought to be destroyed ______ it attacks any more children.
#31233
A
until
B
since
C
after
D
before