20 . They have madea rulein the room.A. this; not to smokeB. it; smokingC. it; to not s

发布时间：2020-08-15 02:18:46


20 . They have made    a rule    in the room.
A. this; not to smoke
B. it; smoking
C. it; to not smoke
D. it; not to smoke

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A. this; not to smoke
B. it; smoking
C. it; to not smoke
(答案→)D. it; not to smoke
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