Barbarawasdrivinghersix-year-oldson,Ben,tohispianolesso...
問題詳情：Barbarawasdrivinghersix-year-oldson,Ben,tohispianolessononthehighway.TheywerelateandBarbarawas 41 tired.Shehadworkedextrashifts（輪班）asanight 42 nurse.Thesleet(雨夾雪)stormandicyroads 43 h...