题目内容
We do not permit ________ in the office.
| A.others smoking | B.to smoke | C.smoked | D.smoking |
D
本题考查非谓语动词。permit doing允许做某事。句意:我们不允许在办公室里吸烟。
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题目内容
| A.others smoking | B.to smoke | C.smoked | D.smoking |