14.You are ______ your time trying to persuade him; he'll never help us. A spending B missing C 帮

Question

帮我看一下并告诉答案

Answer 1

14.You are 【wasting】 your time trying to persuade him; he'll never help us.
你劝说他，纯粹是浪费时间，他永远不会帮我们。

Answer 2

A
spend time/money (in) doing sth

Answer 3

A spend in doing sth