He is very helpful,（ ）A.also B.as well C.either D.too
问题描述：
He is very helpful,（ ）A.also B.as well C.either D.too
答
选D
如果要换成前面几个词的话应该是
He is also very helpful.
He is very helpfull as well
He is not helpful either. either是用在否定句中的
记住这些句型,以后你就会选了