问题补充：
We must every chance we have to improve our communicating ability.
A. take care of
B. get along with
C. make use of
D. think highly of
答案：
A. take care of
B. get along with
(答案→)C. make use of
D. think highly of
解析：考查动词短语辨析。句意：我们必须利用（好）每一个机会来提高我们的交际技能。we have是省略了that的定语从句。A照顾；B与......相处；C使用，利用；D高度评价。故选C。
