---- I wonder how much you charge for your services． ---- The first two are free ____ the third costs $30．
#32193
A
while
B
until
C
when
D
before
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She’ll never forget her stay there ______ she found her son who had gone missing two years before.
#32659
A
that
B
which
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where
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when
Humans are destroying nature day by day, ________, of course, will cause punishment sooner or later.
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A
that
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/
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which
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#31884
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Otherwise
B
If not
C
But for that
D
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