If a=3 and b=4，what's the answer to the problem: a + b +1=? The answer is ______.
A. twelve B. nine C. eight D. seven
-Who is the boy over there?
-He's brother.
A. mine B. me C. my D. I
The boy ______friend, Bill.
A. am B. is C. are
I have a big brother. __________name is Paul.
A. His B. Her
C. He D. Your
The man over there（那儿) is ____ old friend.He is a policeman(警察）．
A. I B. me C. my D. mine
-What's your QQ number? —______is 355994127.
A. Its B. His C. It D. My
