2012.122.You can fly to London this evening ________ you don't mind changing the flight in Paris.
A. until
B. if
C. where
D. before
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2013.123. It was not until 3:00 pm ______ the secretary found the missing report.
A. where
B. that
C. as
D. while
2012.66.We have got to _____ a new way to solve this problem.
A. tell about
B. put out
C. think of
D. take over
2011.68.More than 100 people died ______ the earthquake in that area.
A. in case of
B. as a result of
C. in addition to
D. on the basis of
2013.46.I'm afraid we don't have that book in stock, _____ we can order it for you.
A. as
B. but
C. since
D. for