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 It is difficult for us to learn a lesson in life ______ we’ve actually had that lesson.
#30782
A
until
B
after
C
since
D
when
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Everyone tells me I’m a good speaker, _____ I really don’t like speaking in public.
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She had just finished her homework ____ her mother asked her to practice playing the piano yesterday. 
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—Do you think the weather will be all right in the coming summer vacation?—No,        we’re lucky. The newspaper says it’ll be very hot anyway.
#32783
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