You follow the traffic rules. Otherwise it is dangerous for you.A. must B. canC. mayD. s

问题补充：

You follow the traffic rules. Otherwise, it is dangerous for you.

A. must

B. can

C. may

D. should

答案：

(答案→)A. must

B. can

C. may

D. should

解析：句意：你必须遵守交通规则，否则对你很危险。 must必须， can能，may可以，should应该。遵守交通规则是硬性的规定，是必须的，故选A.