Question

______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

Answer 1

答案B

试题分析：短语用法辨析。A项不能放在句首。CD项后面要接雹春句子，只有B项后面接动词或者动词短语表示目的，句意：为了提高他的口语，他参加了夏令营。故B正确。
考点：考族肆耐查短语用法分析
点评：要注意本文四项的用法差兆春异：so as to不能放在句首；CD两项后面要接句子。