Question

There are so many things I wish I had known while _____ up

A．grow

B．growing

C．grown

D．grew

Answer 1

B 

试题分析：考查状语从句的省略：句意：有很多事情是我在成长的过程中希望能做的。While后面是省略句，原句是while I am growing up，当主从句的主语一致的时候，可以省略状语从句的主语和be动词，所以选B。