______improve his oral English, he took part in the summer courseA．So as toB．In_刷题宝

题干

______improve his oral English, he took part in the summer course

A．So as to

B．In order to

C．So that

D．In order that

上一题下一题 0.64难度单项选择更新时间:2012-12-24 06:57:20

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