Question

—Mom,          I play computer games?
—Yes, you can. But you have to finish your homework first.

A．must

B．may

C．will

D．need

Answer 1

B

试题分析：句意：妈妈，我可以玩电脑游戏吗？可以。但你必须先完成你的家庭作业。Must必须；may可以；will将；need需要。征求对方许可常用May开头的疑问句，所以选B。