For the safety, everyone _________ obey the traffic rules when he is driving or walking.
-Are they from Canada?-No,they_____.A. are B. aren't C. isn't
-_____,are you Mr.Wang?-Yes,I am.A. Fine B.Please C.Excuse me
-Is she Maria?-No,she_____.A. is B. isn't C. aren't
-______your name?-My mane is Kate.A. What's B. What C.Where
-Where_____they from?-They're from China.A. is B. am C. are