摘要： Having a cellphone also makes us feel safer, since we can help in case of an .
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Having a cellphone also makes us feel safer, since we can call for help ________ an emergency.
- A.as a result of
- B.according to
- C.in case of
- D.because of
Having a cellphone also makes us feel safer, since we can call for help in case of an e__________ (紧急情况).
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