单项选择题

It was nine o'clock ______ I arrived at the airport.

A. that
B. before
C. when
D. since
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单项选择题
She took an umbrella with her this morning ______ she should be caught in the rain.
A. so that
B. in order that
C. in case
D. now that
单项选择题
I'd like to live somewhere ______ the sun shines all year long.
A. which
B. that
C. where
D. in which
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