--Can I use your mobile phone?

--Of course.           .

A．Very well                              B．I can

C．I am using it                            D．Here you are

-Can I use your mobile phone?                                             

--Of course.           .

— Can I use your bike this afternoon? ________ is under repair.  

— No problem. Here’s the key.

A. My       B. Mine     C. Me    D. I

—Bill, can I use your dictionary? I left mine at home.

—Of course you________. Glad to help you.

A．need             B．may              C．must             D．can

--Can I use your mobile phone?
--Of course.           .