worries me the way he keeps changing his mind. A．This B．That C．What D．It
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_____________ worries me the way he keeps changing his mind.
A．This B．That C．What D．It
试题答案
D
解析:
要求掌握只有it 充当形式主语这一知识点。句意：他总是改变主意，这一做法很令我担忧。句中It充当形式主语，真正的主语是the way，其后又有定语从句 he keeps changing his mind 修饰。