-________ pencils are these?
-They are theirs.
-Have you got a computer?
-Yes, I have got a good ________.
-________ are there in your house?
-There are three.
-Was ________ born there?
-Yes, only one.
A: May I speak to Uncle John, please?
B: ________.
-________ are you so early this morning?
-Because I will go for a picnic with my friends today.
---Would you like something to drink, ______ or coffee?
---Coffee, please.
-I'm sorry to knock your bike down.
-________.