Question

As is known to all, Yan

Answer 1

D

句意：众所周知，杨利伟成为太空英雄是我们已经预料到的。that Yang Liwei has become a space hero 是主语从句，that在从句中不做成分，也不可省；what we have expected是表语从句，what在从句中做宾语。故选D。

考点: 考查主语从句和表语从句的用法。