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A standard American high school has several large buildings and enough space for about 1,500 students. Every students is given a locker(锁柜). When students arrive at the school, the first go straight to their lockers   American students usually take a yellow school bus or go to school on foot if they
live close enough.     When they turn 16 years of age, most take a free driving class at school for one term. If students get passing grades in the class and also pass their state driver’s test, they can began driving themselves to school.
Each day, students take six or seven classes.     . They can choose art, clothes making and other classes. In some school students mus t take one or more of the classes: health education, physical education or foreign language studies.  
This is because each teacher has his own classroom. There is a five-minutes break between classes, to give the students the time to hurry to their next class.
 .  After school more that half of the students take part in after-school activities.These activities include sports and clubs, such as basketball, baseball,soccer,speech, school newspaper and so on.

A．They must take science, math, English and social studies.

B．Sometimes their parents drive them to school.

C．There they put away or get their textbooks.

D．The school day usually ends early in the afternoon.

E. Students move to different classrooms for each subject.