．Nooneknowsexactlywhenourances

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更新 2022-09-03
科目英语
题型单选题
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．No one knows exactly when our ancestors started talking，but new evidence suggests _______might have happened a long time ago．

A．which

B．what

C．it

D．they

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相关试题

34．More and more people shop online,________advantage of low prices.

A．having taken

B．taking

C．taken

D．having been taken

题型：未知
难度：未知

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33．The Day of the Dead, an ancient Mexican festival, is not a sad day, but _________time to celebrate__________cycle of life.

A．a, the

B．不填, the

C．不填,a

D．the, a

题型：未知
难度：未知

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32．How_________I help them to understand when they won’t listen to me?

A．can

B．would

C．may

D．Must

题型：未知
难度：未知

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31．In summer, food will go bad if_________in room temperature.

A．leaving

B．left

C．being left

D．having left

题型：未知
难度：未知

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30．QQ,______you can chat with your friends, makes communication easy.

A．why

B．which

C．that

D．Where

题型：未知
难度：未知

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