Did he have to help his sister the bed yesterday

题目

Did he have to help his sister the bed yesterday
a.make b.makes c.making d.made

答案

选a正确,考help sb (to)do sth,也就是说help 的宾补不定式不带to .但必须记住感官动词、使役动词的宾补不能带to,象feel have make 等.但这些动词的宾补要是变成主补就要带上to 了.例如,The landlord made the farmha...