Question

We won't allow ________ in the cinema. But you are allowed ________ in the rest room.

1. A.
   smoking; smoking
2. B.
   to smoke; to smoke
3. C.
   smoking; to smoke
4. D.
   smoke; smoking

Answer 1

C
点拨：allow doing sth. 允许做某事；allow sb. to do sth. 允许某人做某事。