题目内容

I was walking in the garden when someone jumped out ______ a tree.

A. on
B. onto
C. in
D. behind

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Samuel H. Scudder was disappointed when his professor asked him to look at the fish because ______.

那个年轻人编造过去的经历,以便能够得到那份工作。

约翰从不满足于他取得的成绩。

The Thinking Machine found out the secret about the box by ______.

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