问题
选择题
.- Can I smoke here?
- Sorry. We don’t allow _____ here.
A．people smoking
B．people smoke
C．to smoke
D．smoking
答案
答案：D
短语：允许做某事allow doing sth，允许某人做某事allow sb to do sth，句意：我能在这吸烟吗？对不起，我们这不允许吸烟。所以选D。
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