英语盲求解英语语法 _where is he taking them?_they are taking the ferry to a place on Island._t

英语盲求解英语语法 _where is he taking them?_they are taking the ferry to a place on Island._t
1 _where is he taking them?
2_they are taking the ferry to a place on Island.
1_they are going on a ferry?
出自老友记 甲要与人出门,乙与丙之间的对话.甲还没有出门,为什么此处用现在进行时?take the ferry 与go on a ferry,什么区别?