--How long has Mr. Green lived ________ Lanzhou?
--He's lived here ________ 2005.
--When will you come to Beijing to visit me?
--________ October l0th.
--- Jim, what are you ________ in the living room?
--- My purse.
-What can you see ________ the picture?
-I can see a boy.-Where is the boy?-He is ________ the bike?
--What about ________ speech?
--It was too tiring, you know, ________ speech for me?
---Does the wolf come from ______
---Yes, it does.