I don’t allow in my drawing-room. I don’t allow my son at all.A. to smoke; smokingB. smo

问题补充：

I don’t allow in my drawing-room. I don’t allow my son at all.

A. to smoke; smoking

B. smoking; to smoke

C. to smoke; to smoke

D. smoking; smoking

答案：

A. to smoke; smoking

(答案→)B. smoking; to smoke

C. to smoke; to smoke

D. smoking; smoking

解析：考查短语：allow doing 允许做某事，allow sb to do 允许某人做某事，句意：我不允许在画室吸烟，我根本不允许我的儿子吸烟。所以选B。