You can’t use my bike _____ you return it to me by the weekend.
#31644
A
if not
B
unless
C
because
D
though
推荐题目
 Is this school ______ you used to study?
#31367
A
where
B
at which
C
the one
D
that
One’s life has value _____ one brings value to the life of others.
#30900
A
so that
B
no matter how
C
as long as
D
except that
No one knows exactly ______ this important discovery was made.
#33284
A
that   
B
that how   
C
what   
D
when