the passenger had a chat with the college students ---as conductors during the summer vacationA.to help out B.helped out C.help out D.helping out
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the passenger had a chat with the college students ---as conductors during the summer vacationA.to help out B.helped out C.help out D.helping out
the passenger had a chat with the college students ---as conductors during the summer vacation
A.to help out B.helped out C.help out D.helping out
the passenger had a chat with the college students ---as conductors during the summer vacationA.to help out B.helped out C.help out D.helping out
答案:D.helping out
解析:
1.此处的现在分词 helping out 用作 college students 的后置定语,意思是“帮助(他人解决苦难)的大学生”.分词与被修饰词为主谓关系,即帮助的行为是由大学生实施的.分词短语也可以改为定语从句如下:
The passenger had a chat with the college students who helped out as conductors during the summer vacation.
2.其他选项
A.to help out 只能在句子中作目的(为了帮助)或结果(以至于帮助)状语,与句子的意思不符.
B.helped out 与被修饰词 students 成了动宾关系,意思为“向那个大学生提供帮助”.
C.help out 是动词原形,不能在句子中作任何成分,除非需要省略 to.
during the summer vacationg ,说明主要指的是学生。所以A 不对,B不对,
一句话不可能有2个动词,所以C不对。选D 是现在分词的一种用法。
D....
ing 形式做定语后置。。。
因为是 The students help out as conductors during the summer vacation.