The history of information-technology industries is （）smooth.

Mahathir sacked Anwar in part because he（）changes to that cozy relationship.

A.called on
B.called for
C.called away
D.called back

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Why do we need to evaluate evidence in an argument essay？What are the criteria used？翻译为：为什么我们需要在辩论论文中评估证据？使用的标准是什么？ 点击查看答案