．—Hello! May I speak to Mr. Hu?  

—Sorry, he isn’t in. _________

A．Speaking.      B．Yes, you may.    C．This is Millie speaking.     D．I’m Millie.

—May I ask you _____ the writer?  —Sorry. I don’t know him. You can ask Sam ______ help.

----May I have a look at the I-phone,sir

-----Which one?_________black one?

---Mum ,____________ May I borrow your camera ?

     --- Sure ,here it is .

A. please help me           B. can I ask a favour ?

C. where is your camera ?    D. excuse me .

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