Read and answer. 阅读下面短文，选择正确答案。
Mike is seven and begins to go to school this week. It’s Sunday. His mother, Mrs Smith, doesn’t go to work. Mike wants to go to the zoo. He gets up at six thirty and asks his mother to take him there. After breakfast, they go to the bus stop. They are waiting for the bus at the bus stop. They want to take a No. Three bus. “Look, Mum!” cries the boy. “A No. Three bus is coming!” “No, dear,” says Mrs Smith, “It isn’t No. Three bus. It’s No. Twenty-one.” “You’re wrong.” Says Mike, “My teacher says two and one is three!”
（1）Mike is a student of Grade __________.
A. One        B. Two        C. Three        D. We don’t know.
（2）Mike is going to the zoo with his __________.
A. father      B. mother      C. sister         D. parents
（3）Mrs Smith and her son want to go to the zoo by ___________.
A. car        B. bike        C. boat          D. bus
（4）Mike thinks ___________, so he is crying.
A. two and one is three.
B. A No. Twenty-one bus is coming.
C. A No. Three bus is coming.
D. He doesn’t know.
（5）Who is wrong?
A. The teacher is.   B. Mike is.  C. Mrs Smith is.    D. His father is.