the most important thing your robot should do is _______.

题目

the most important thing your robot should do is _______.
A.cleaning your shoes B.to clean your shoes C.clean your shoes D.A and B

答案

为你提供精确解答此题选【A】对于这个题,要熟知英语中讲究的一个原则：句子结构的平行.首先动词原形是不能充当表语的.排除c变回原来的句子：【————】is your robot should do.your robot should 【------------...