----May I borrow your pen, Mike ? ----Yes, of course. Here are some and you can take ______ of them. 

----Why does your teacher _________ play basketball?-----Because he does not have much free time to play it.

— Kitty, there’s ________ cooking oil left in the kitchen. Would you please go to the supermarket and get ________?— OK, Mum. 

 ______ your hat?

— _________ has Liu Xiang taken part in world’s competitions of 110-metre hurdles?— I’ve no idea. Let’s find it out on the Internet.