单项选择题


Questions 19 to 22 are based on the conversation you have just heard.

A．They’ve lost their suitcases.
B．Their dorm rooms have been given to other students.
C．They can’t find their dormitory.
D．They’ve missed the bus to their dormitory.
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单项选择题
What does the word graduate ( Line 2, Para. 4) mean
A．Finish schooling,
B．Collapse.
C．Change to something else.
D．Stand.
单项选择题
What does in-flight service (Line 1, Para, 5 ) mean
A．Service on the plane.
B．Flights within one country.
C．A new safety device.
D．Charge-free air service.
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