这几个英语句子语法错在哪里?搞不懂1.Becauseofpeoplearebombardedwithvariousadvertisements,sotheysometimesfindithardtodecidewhichproducttobuy.2.Inmanycountries,traditionalfoodsbeingreplacedbyinternationalfastfoods

　　这几个英语句子语法错在哪里?搞不懂

　　1.Becauseofpeoplearebombardedwithvariousadvertisements,sotheysometimesfindithardtodecidewhichproducttobuy.

　　2.Inmanycountries,traditionalfoodsbeingreplacedbyinternationalfastfoodsnow.

　　3.Youngchildrenareverydifficulttocopewithsomuchhomework.

　　4.Someemployersfocusonacademicqualifications;paylessattentiontolifeexperiencesandpersonalqualities.