28. The officer was very concerned ________ the latest development in the case because he was concerned ________ it.
A.about; in | B.for; about | C.with; for | D.in; with |
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28. The officer was very concerned ________ the latest development in the case because he was concerned ________ it.
A.about; in | B.for; about | C.with; for | D.in; with |
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