Who's that man?A.He's Mr. Black. B.She's my mother.
Are you going to Beijing?Yes,______. A. I’m B.I is C.I am
___ are you going to do this evening? A. What B. Where C.Which
Elephants are the ____animals on land . A. big B. bigger C. biggest
My shoes are tight. I can’t wear_____. A. they B. them C. their
My book is thick,____is thin. A. you B. your C. yours