Question

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

Answer 1

A

考查狀語從句的時態 當主句為將來時態是，if引導的狀語從句中用一般時態代替將來時，而這里需要助動詞，不是系動詞，所以選擇答案A。