[题目] accident I found the book I lost yesterday. 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】 accident I found the book I lost yesterday.

【答案】By
【解析】句意：我偶然发现了我昨天丢的那本书。by accident 固定短语“偶然，不经意地”，因此答案为By。

练习册系列答案

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A.Go to 7th street.B.Show another shirt.C.Call another branch.

【题目】The research lacks evidence, and therefore, its conclusions are doubtful.
A.solid
B.fierce
C.severe
D.potential

【题目】What are the speakers talking about?

A.A film.B.A journey.C.Unexpected news.

【题目】—Alvin，are you coming with us?
—I'd love to，but something unexpected ________.
A.has come up
B.was coming up
C.had come up
D.would come up

【题目】Only after Mary read her composition the second time________the spelling mistake.
A.did she notice
B.she noticed
C.does she notice
D.she has noticed

【题目】Scientists are convinced _______ the positive effect of laughter _______ physical and mental health.

A.in; onB.of; onC.on; atD.in; at

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