问题
选择题
Our school forbids _____, that is to say, we are not allowed _____ at school. [ ]
A. to smoke; to smoke
B. smoking; smoking
C. to smoke; smoking
D. smoking; to smoke
答案
答案：D
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Our school forbids _____, that is to say, we are not allowed _____ at school. [ ]
A. to smoke; to smoke
B. smoking; smoking
C. to smoke; smoking
D. smoking; to smoke
答案：D