题目内容
_________worries me the way he keeps changing his mind.
A.This B.That C.What D.It
D
解析:
it作形式主语,真正的主语是the way he keeps changing his mind。因为主语太长,而用it作形式主语。that用于指眼前的、说过的事物或人,又指比 this 稍微远一点的东西,意为“那,那个东西,那件事情”。what用于引导名词性从句;this意为“这,这个,这事”。
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