The manager raised his voice he could be heard clearly.A. in order toB. in order thatC. s

问题补充：

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：

A. in order to

(答案→)B. in order that

C. so as to

D. make sure

解析：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。