—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
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in
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at
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on
D
to
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-----When did the terrible earthquake happen in Ya’an Sichuan? -----It happened 8:02 the morning of April 20th，2013.
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on；in
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at；on
C
at；in
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on；on
-It's generous_______ Millie to donate all her pocket money to UNICEF. -Yes. It's really meaningful_______ people to do something for charities.
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of; of
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for; for
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for; of
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of; for