Which one to choose?Why?Thanks.You can guess how i felt_____ i know this.A.what B.when

问题描述:

Which one to choose?Why?Thanks.
You can guess how i felt_____ i know this.
A.what B.when

B

B.
你猜当我知道的这个的时候,我感觉怎么样.

B因为若是它what ,句子必须得有它一个成分.
但是句子没有它的成分,选用when,做时间状语.

when- 当
what-什么
choose b