______ you keep trying till the end, you will never know how strong you are!
#55142
A
Although
B
If
C
Unless
D
Because
推荐题目
—Mum, I want some pocket money.—Well. I won’t give it to you __________ you wash your clothes.
#55187
A
if
B
unless
C
while
D
though
This training program can give you a lift at work, ____ increase your income by 40%.
#55437
A
as well as
B
so long as
C
so much as
D
as soon as
The maths problem is very easy, _____ I don’t think all of you can work it out.
#57103
A
and
B
or
C
so
D
but
