________—Twice.

依次填入下列各句横线处的词语，最恰当的一组是①锦袋内掣出那管凤箫，李师师接来，口中轻轻吹动，端的是 之声。②他的表情很细腻，可以说一丝不苟；嗓子也很响亮，唱几句真的是 。③人民以胜利的欢呼，对我们历史上这一 的大事件，表示了他们的赞许。

I had hoped Mr.Blake ___ earlier than usual.

We would hesitate to pull over to the side of the road ________ a stranger in a car wave us down.

She is too busy to help us finish the work.— Let’s do it ________.