单项选择题

______ the temperature might drop, coal was prepared for warming.

A．To consider
B．Considered
C．Considering
D．To be considered
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单项选择题
—I had a good holiday at my uncle’s.— ______.
A．Oh, that’s very nice of you
B．Congratulations
C．Oh, I’m glad to hear that
D．It’s a pleasure
单项选择题
Is ______ 48 hours ______ the man-made satellite ______ is made in our country to orbit the planet around
A．it; that; where
B．it; when; what
C．it for; that it takes; that
D．it; that it takes; which
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