________ your composition carefully, some spelling mistakes can be avoided.
#67555
A
Having checked
B
Checking
C
If you check
D
To check
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There must have been something wrong with the society _______ no one offers to help those who are in trouble.
#68767
A
when
B
where
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which
D
that
________well prepared you are, you still need a lot of luck in mountain climbing.
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A
However
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Whatever
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No matter
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Although
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A
it whether
B
it if
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that when
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that if
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A
that
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what
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which
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when