关于themotherwisethey的百科

• Theteacher     them,otherwisethey’dneverhavebeenabletos...

• 问题详情：Theteacher     them,otherwisethey’dneverhavebeenabletosolvetheproblem.      A．hadhelped            B．helped                    C．havehelped            D．help【回答】B知识点：一般过去时及其被动...
• 2022-08-059139