题文
A person who has never tasted bitter won’t know ______ sweet is.
| A.which |
| B.what |
| C.when |
| D.why |
推荐试卷
A person who has never tasted bitter won’t know ______ sweet is.
| A.which |
| B.what |
| C.when |
| D.why |
试题篮
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