题目内容
. Not until _______ smoking ________ healthy lungs.
| A.did he five up, he had | B.did he give up, did he have |
| C.he gave up, he had | D.he gave up, did he have |
D
略
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题目内容
| A.did he five up, he had | B.did he give up, did he have |
| C.he gave up, he had | D.he gave up, did he have |