Barbarawasdrivinghersix-year-oldson,Ben,tohispianolesso...
问题详情：Barbarawasdrivinghersix-year-oldson,Ben,tohispianolessononthehighway.TheywerelateandBarbarawas 41 tired.Shehadworkedextrashifts（轮班）asanight 42 nurse.Thesleet(雨夹雪)stormandicyroads 43 h...