You drink wine before driving or the police will take your license away.A. don’t have to

问题补充：

You drink wine before driving, or the police will take your license away.

A. don’t have to

B. needn’t

C. mustn’t

D. may not

答案：

A. don’t have to

B. needn’t

(答案→)C. mustn’t

D. may not

解析：句意：你不能酒后开车，不然警察会扣掉你的驾照。take your license away扣掉你的驾照； A不必要；B不需要；C禁止，不准；D或许不；结合题意选C。