The hottest continent, Africa has a lot of resources, ______ are still undeveloped.
#75744
A
many of them
B
many of whom
C
many of it
D
many of which
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The factory produces two million pairs of shoes every year, half _______ are sold abroad.
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A
of which
B
which of
C
of them
D
of that
Have you sent thank-you notes to the relatives from _ _ you received gifts?
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A
which
B
them
C
that
D
whom
Our new partnership with France Telecom is really a win-win situation _____ both sides benefit a great deal.
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A
which
B
that
C
where
D
what
When deeply absorbed in work, ______ he often was, he would forget all about eating or sleeping.
#77999
A
that
B
which
C
where
D
when