问题
选择题
The manager raised his voice __________ he could be heard clearly.
A．in order to
B．in order that
C．so as to
D．make sure
答案
答案：B
考查词组辨析：A. in order to为了，后面接不定式，B. in order that 为了，后面接从句，C. so as to为了，后面接不定式，D. make sure确保，句意是：经理提高声音为了让自己被清楚的听到。选B。