Question

All of us have already known ____ she will choose is the opportunity to go abroad.

A．this

B．what

C．which

D．that

Answer 1

B

试题分析：考查名词性从句。known后跟的是宾语从句，____she will choose is the opportunity to go abroad是宾语从句部分，choose缺少宾语，用what引导宾语从句，宾语从句中包含一个主语从句，what she will choose是主语从句，故选B。