单项选择题

Please_________from smoking until the aeroplane is airborne.

A．refrain
B．prevent
C．resist
D．restrain
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单项选择题
Mary became ______homesick and critical of the United States ,so the fled from her home in west Bloomfield to her hometown in Austria.
A．completely
B．sincerely
C．absolutely
D．increasingly
单项选择题
Christmas is a Christian holy day usually celebrated on December 25th______the birth of Jesus Christ.
A．in accordance with
B．in terms of
C．in favor of
D．in honor of
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