You will fall behind others _______ you work hard.
#55999
A
until
B
when
C
after
D
unless
推荐题目
____my brother ____ my sister is able to use a computer. However, I can.
#56044
A
Neither ---- nor
B
Not only ---- but also
C
Either ---- or
D
Both---- and
We had so much homework. I didn’t go to bed I finished it yesterday evening.
#58569
A
after
B
until
C
when
D
but
一I’ m going to the Century Mart.—________ you’re there、can you get me a bag of salt?
#55949
A
As
B
While
C
Because
D
If