摘要：28．Having a cell phone makes people feel safer, since they can call for help an emergency. A．in the case of B． in case of C．in need of D．in honor of

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Having a cell phone makes people feel safer, since they can call for help in a case of an emergency．

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Having a cell phone makes people feel safer，since they can call for help ________ an emergency．

A.
in the case of
B.
in case of
C.
on the case for
D.
in a case of

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Having a cell phone makes people feel safer，since they can call for help ________ an emergency．

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