Question

【题目】 She looks sad. Could you please tell me ____ that prevents her from being as happy as before?

A.what it isB.it is whatC.how it isD.it is how

Answer 1

【答案】A

【解析】

本题含有强调句型，若把It is----that去掉，则很容易地看出what引导的宾语从句，what在从句中充当主语。故选A。