单项选择题

We use ______ to work out how far a star is from us.

A．kilometres
B．metres
C．light-years
D．months and years
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单项选择题
How did the man get Mr. Moore's books
A．He bought them from David.
B．He bought them from a bookshop.
C．He took them from a car.
D．The policeman gave him.
单项选择题
Why did Mr. Moore write the letter to the newspaper
A．He hope more people would know he had lost some expensive books.
B．He thought in this way the thief(赋)would bring the books back to him.
C．He wanted to buy old and modern books.
D．He wanted to tell the police he had lost some expensive books.
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