—May I use your new dictionary?

—It' s over there．____．

— May I use your computer for a while?    — Sure, _____ .

   A. go ahead     B. my pleasure          C. you might            D. you’re welcome

May I use your bike? I'm going to see my uncle who _______ this city.

--- May I use your new dictionary? I want to look up a word.

--- It’s over there. _______.

---May I use your cellphone?

 ---_____. We are good freinds

  A. No trouble at all.       B. Of course you may

  C. You are welcome       D. It all depends