Is this your coat _____ his coat?
-Can you tell me why you learn English so well? -It’s very simple._____ you work,______ grades you will get.
-What would you do if you _____ the traffic accident? -I would ______.
-Do you know that there are many different ____ animals in the zoo? —Yes,I do. And I also know that some of them are_____scaring.
-______ I do the laundry first? -No,you _____. You can do your homework first.
-Hey, Molly, You______ on the phone just now. But you weren’t here and the man left a phone number. -Oh? I was in the library.