题目内容
To keep the air clean this hospital forbids all the patients ________ in and around it
- A.smoke
- B.smoking
- C.to be smoking
- D.smoked
B
forbid sb to do/forbid doing (doing 前可加逻辑主语all the patients )
forbid sb to do/forbid doing (doing 前可加逻辑主语all the patients )
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