If you _____ smoke, please go outside.A．canB．mayC．mustD．might
题型：不详难度：来源：
| If you _____ smoke, please go outside. |
答案
| C |
解析
试题分析：句意:如果你必须要吸烟的话，请到外面去吸。can 能，会；may 可以，可能；must 必须，非要；might 可以，可能，是may的过去式形式。根据句意可知，这里表示的是如果你非得要吸烟这个意思，故选C。 |
举一反三
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