—Hey Ted! You never play in the street. It’s not safe.—Sorry Mum. I won’t again.A. need

问题补充：

—Hey, Ted! You never play in the street. It’s not safe.

—Sorry, Mum. I won’t again.

A. need

B. must

C. can

D. may

答案：

A. need

(答案→)B. must

C. can

D. may

解析：考查情态动词的用法。need“需要”must “必须”；can “能够”；may“可以”。句意为“你好，泰德。你必须永远不要在街上玩耍，不安全”“对不起，我不会再那样做了，妈妈”。故选B。