【题目】You should always wash your hands before ______. ( )
A.eating B.ate C.eat
【答案】A
【解析】
句意:你应该在吃饭前洗手。介词before后接动词的动名词形式,eat的动名词是eating,故选A。

【题目】You should always wash your hands before ______. ( )
A.eating B.ate C.eat
【答案】A
【解析】
句意:你应该在吃饭前洗手。介词before后接动词的动名词形式,eat的动名词是eating,故选A。