问题
选择题
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
答案：B
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。