单项选择题

A. To warn of dangers.
B. To explain traffic regulations.
C. To wake up drivers who are falling asleep.
D. To give directions.
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单项选择题
A. A two-bedroom apartment. B. A sofa.C. A chair. D. A roommate.
A. A two-bedroom apartment.
B. A sofa.
C. A chair.
D. A roommate.
单项选择题
A. At 11 o’clock.B. At 4 o’clock.C. At 7 o’clock.D. At 2 o’clock.

A. At 11 o’clock.
B. At 4 o’clock.
C. At 7 o’clock.
D. At 2 o’clock.
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