The rules of our school don’t allow ______ at school. That is to say, Nobody is allowed ______ here.

A.to smoke; to

B.smoking; smoking

C.to smoke; smoking

D.smoking; to smoke

答案及解析： D

smoking; to smoke。第一空规章制度不允许吸烟用动名词，第二空允许某人去做某事用不定式。