阅读短文,选择正确答案。
Peter is a school (学校) boy. He is only six years old.
One day, his teacher asks (问), " Peter, What is six minus (减) six? "
" Sorry (对不起), sir, I don't know (知道)."
" Listen. Peter, there are six coins (硬币) in your bag, but there is a hole (洞) in your bag, too. All the coins
fall out (掉出来). Now what is left (剩下的) in your bag? " the teacher asks.
" The poor (破旧的) hole," answers (回答) Peter.
1. Peter is ____________ years old.
A. five
B. six
C. seven
2. All the coins fall out because (因为) ____________.
A. someone (某人) takes them away (拿走)
B. the bag has a hole
C. Peter uses (使用) the coins
3. Does Peter know what six minus six is?
A. Yes, he does.
B. No, he doesn't.
C. We don't know.
4. Is there a hole in Peter's bag?
A. Yes, there is.
B. No, there isn't.
C. Yes, it is.