You should not go rafting ________ you know how to swim.
#31441
A
if
B
if not
C
when
D
unless
推荐题目
--- What do you want to do next? We have half an hour until the basketball game.--- ___________. Whatever you want to do is fine with me.
#31549
A
It just depends.
B
Glad to hear that.
C
All right.
D
It is up to you.
As parents, we should try to understand _______ our children’s real interests lie instead of blaming them for bad marks．
#31654
A
what
B
which
C
where
D
how
Some people believe _______ has happened before or is happening now will repeat itself in the future.
#30012
A
whatever
B
whenever.
C
whereever
D
however
Tom is good a student he is often praised by the teacher.
#30357
A
such; as
B
so; as
C
such; that
D
so; that