Thank you __________ helping me when I have some problems __ my English.
____ I fill in the application form right now, sir? No, you needn’t. You can complete it this afternoon.
Do you know ______ this 3G mobile phone belongs to? Let me see. Oh, it is _______.
------Who is the guy with a pair of sunglasses?----He is ______ university student from _______ Island in England.
I’m 14. Li Lei is 15. I’m _____ than Li Lei.
---___you ___the window?—Yes, I am.