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1. High school students in America hear about ______ bells every day.
A. twenty
B. one hundred
C. twenty-four
2. When the slow bell rings, students know they are late if _______.
A. they are not in their seats
B. they are in the classroom
C. they are at school
3. They are often unhappy to hear the bell if the class is ______.
A. boring
B. difficult
C. interesting
4. When they hear their favourite bell rings, most students ______.
A. go home
B. join their friends for lunch
C. read in the reading-room
5. From the passage we know some students _______.
A. buy a big meal in the dining-room
B. have a hot meal in a restaurant
C. bring their lunch from home
