Light travels at about ___.
A. 300,000 kilometres a second
B. a second 300,000 kilometres
C. every second 300,000 kilometres
D. 300,000 kilometre every second
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The Changjiang River is ___ river in China.
A. very laong
B. longer
C. longest
D. the longest
Tom lives in_________ building.
A. a eight-story
B. an eight-storeys
C. an eight-storeyed
D. an eighth-storey
Birds will come back again and again to the ____ spot for food and water.
A. forbidden
B. flesh
C. given
D. fresh
She has _______ orange skirt. _______ skirt is nice.
A. a，The
B. an，The
C. an，A
D. the，The
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