How much does the hotel room cost Terry a night？
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A．Later colonists did not know how to thatch.B．Thatching was considered dangerous.C．Ot
A. Later colonists did not know how to thatch.
B. Thatching was considered dangerous.
C. Other roofing materials were available.
D. Thatching was unsuitable for the climate.
How did scientists determine the age of the universe？
A. By observing the movement of the oldest stars in the universe.
By studying the orbit of the sun.
C. By fixing the age of the oldest stars in the Galaxy.
A．A videotape.B．A book.C．A picture.D．An oxygen tank.
A videotape.
B. A book.
C. A picture.
D. An oxygen tank.
What does the man imply about Janet？
A. She won't be able to come.
B. She's not going to graduate.
C. She has a week to go to work.
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