- 问题详情:ManyAmericanshavefoundthecellphonevaluableinprovidinghelpinemergenciesandfreetimeentertainment.(41.)M________,ithasalsobroughtup(42.)p________incarelessdriving,irritatingbehaviorsinpublicandhighexpenses.Cellphonesarealso(43.)________(流行的)in...
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