Three years has passed _________ they came to this school.
#55246
A
since
B
for
C
when
D
before
推荐题目
When we write our homework on the computer, we should _____ first.
#55940
A
save the document
B
print our homework
C
open a new document
D
turn off the computer
Learning to write is learning to think. You don’t know things clearly _________ you can writethem down.
#55292
A
unless
B
if
C
since
D
whether
I don’t like bread. I won’t eat it_____________ I am much too hungry.
#55554
A
if
B
when
C
because
D
unless