Don't you see them_driving____(drive) their cars Don't you see they are driving_(drivr) thier cars.
两句都表示正在开车.后一句是宾语从句,用动词的正在进行时.前面是see sb.doing sth的结构.
Don't you see them_driving____(drive) their cars Don't you see they are driving_(drivr) thier cars.
两句都表示正在开车.后一句是宾语从句,用动词的正在进行时.前面是see sb.doing sth的结构.