. It’s not important you may call it. What is important is you make good use of it.
A. what; when
B. that; how
C. what; how
D. how; what
网友回答
A. what; when
B. that; how
(答案→)C. what; how
D. how; what
解析： 考查名词性从句的连接词。It是形式主语， you may call it是主语从句，且从句缺少call的宾语，所以意what引导，排除B,D； you make good use of it.是表语从句，缺少状语，根据句意，应是：重要的是你怎样利用它。所以选C。