Someone knocked at the door he was doing his homework.
#55271
A
after
B
when
C
until
D
as soon as
推荐题目
________ it snowed heavily yesterday, nobody in our class missed the lesson.
#56980
A
Though
B
Because
C
Unless
D
Since
Mum says ______ I do my homework now, I can watch TV for an hour tonight.
#55236
A
if
B
though
C
because
D
while
I don’t like bread. I won’t eat it_____________ I am much too hungry.
#55554
A
if
B
when
C
because
D
unless
--This computer doesn't work, Sir.--Well, bring it back, ______ we'll return your money.
#55451
A
and
B
so
C
but
D
because