问题

Mum, my friends are waiting for me outside. May I go out to play with them?— Yes, you , but be careful, please.

A:shall
B:must
C:may
D:should

正确答案是：

标签： friends , mum , my

同类题型

__________ it going?— Great!

The Internet is very useful for us. We canfind information.

Only when _____ possible to settle the problem how to get the machine repaired.

Who’s that boy reading in the garden? Is it David?— It ____________ be David. I saw him in the classroom just now．

The lamb _________already. It_ __________for 2 days.