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题型：单选题题类：常考题难易度：普通

Lucy met her mother in the park by chance.

A、with accident B、by accident C、by mistake D、by opportunity

举一反三

He watches football matches __________ TV __________ Sunday morning.

It's about 1 114 kilometres ______ Beijing ______ Xi'an.

You are holiday.

That song is popular{#blank#}1{#/blank#}people of my age.

He discovered a type of weak glue that didn't leave {#blank#}1{#/blank#}any residue(残留物) when taken off.(填入适当的介词)

事实上，我想我是这里唯一知道这个消息的人。

{#blank#}1{#/blank#}, I think I'm the only person who knows the news here.

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