onearthdoyousupposethis?A．What

_______ on earth do you suppose_______ this?

A．What; could do	B．What; could have done
C．Who; do	D．Who; could have done

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A．with; with	B．in; with
C．with; in	D．in; in

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A．as a reason of	B．as a result of
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A．patience	B．patient
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A．for	B．when
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A．really	B．such
C．too	D．so

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