问题
If one has never tasted bitter, he or she does not understand _____ is sweet.[ ]
A: that
B: which
C: who
D: what
B: which
C: who
D: what
正确答案是：
同类题型
Why did you leave without a word oifwarning to John —-But whatotherwiseHe never listens to me
Tom, do you know if Sam _____ to my party next week— I think she will come if she _____ free.
She_______ thirty minutes_______ the piano every day.
The man refused to admit that he was guilty as the courthad judged,and_______the High Court.[ ]
Could you help me with some math problems–Sure. That’s _______ I’m here.