阅读短文，选择正确的答案。5%
Billy is seven years old now. He’s in Grade Two. The school is near his home. So he walks to school and gets home at about four o’clock in the afternoon. But today he is late. His mother asks(问) him, “Why are you late today?”
“I’m in the teachers’ office.” “Why do you go to the teachers’ office?” “Because(因为) my teacher asks a question in class, and no one can answer(回答) it, but I can.” “ “It’s good to answer the teacher’s question.” “But the question is: Who puts ink(墨水) on my chair?”
（1）Billy is ______ old now.
A. seven year   B. seven years   C.seven
（2）Billy goes to school_______.
A. on foot      B. by bus        C.by car
（3）Billy gets home at about ______in the afternoon.
A. 5:00         B. 4:00          C.4:30
（4）Today Billy is late for home.Because he_______.
A. He helps for the teacher.
B.He puts ink on teacher’s chair.
C. He is cleaning the teacher’s office.
（5）Here “question” is _______ .
A.想法        B. 问题        C.答案