TheGreens__________workinginthegardennow.

TheGreens__________workinginthegardennow.A.am B.is C.are D.were

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尝试一错误学说的学习定律包括(  )。

尝试一错误学说的学习定律包括(  )。A.效果律 B.学习律 C.练习律 D.准备律

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--It'ssaidthatscientistshavemade__________bigbreakthroughint

--It'ssaidthatscientistshavemade__________bigbreakthroughinthecancertreatment.--

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Thepolicefoundthatthehouse__________andalotofthings

Thepolicefoundthatthehouse__________andalotofthingsA.hasbrokeninto;hasbeenstolen

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根据以下材料,回答题Over500dogsbeingdeliveredtoabutcherhouseweresavedb

根据以下材料,回答题Over500dogsbeingdeliveredtoabutcherhouseweresavedbyaChineseanimalprot

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