题目内容：

Welcome to the zoo!

Opening time	Tickets
Monday to Friday 9:00 a.m.～6:30 p.m.	Adults   ￥10    15～18  ￥8    8～14   ￥5    Under 8  free
Saturday to Sunday 8:00 a.m.～8:30 p.m.

Keep the zoo clean !

Do not touch the heads of the animals or give food to them.

1. The zoo opens        days a week.

A. Five           B. six        C. seven             D. nine

2. On Sunday, the zoo opens at         .

A. 7:00 a.m.    B. 8:30 a.m.     C. 9:00 a.m.     D. 8:00 a.m.

3.Tom is 15, his brother is 9 and his sister is 6. If they go to the zoo, they need         .

A. ￥23         B. ￥15         C. ￥13             D. ￥17

4.The zoo closes at         on Wednesday.

A. 9:00 a.m.      B. 8:30 p.m.       C. 8:00 p.m.          D. 6:30 p.m.

5.We must        in the zoo.

A. give the food to the animals 

B. keep the zoo clean   

C. touch the heads of the animals

D. have lunch everywhere