Don’t talk loudly at the meeting. If you you will have to leave. A. do B. are C. did

问题补充：

Don’t talk loudly at the meeting. If you , you will have to leave.

A. do B. are C. did

答案：

解析：考查状语从句的时态 当主句为将来时态是，if引导的状语从句中用一般时态代替将来时，而这里需要助动词，不是系动词，所以选择答案A。