What is the advantage for passengers who travel in a group of ten or more（）
A. They may buy the tickets direct from the on-board staff.
B. They will not pay for booking service.
C. They may get a discount.
D. They can pay in cash.
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12（）
A. .a
B. one
C. some
D. the
19（）
A. designs
B. colors
C. prices
D. owners
7（）
A. morning
B. afternoon
C. day
D. evening
The last sentence in the last paragraph implies that readers can （）
A. find entertainment and information in a library
B. read both novels and short stories in a bookstore
C. enjoy concerts and films in a theater
D. attend many lectures at colleges
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