I think the telephone is the second ___ A.helpful B.more helpful C.most helpful D.the most h...I think the telephone is the second ___A.helpful B.more helpful C.most helpful D.the most helpful

问题描述:

I think the telephone is the second ___ A.helpful B.more helpful C.most helpful D.the most h...
I think the telephone is the second ___
A.helpful B.more helpful C.most helpful D.the most helpful

选C.second后面接*.常见句式 It is the second + * +n.