英文：It takes [15 minutes] for a ferry to cross the river.对括号部分提问 要用英文 急,现在就要
问题描述：
英文：It takes [15 minutes] for a ferry to cross the river.对括号部分提问 要用英文 急,现在就要
答
how long does it take a ferry to cross the river.
句型是it takes sb. /sth. sometime to do sth. 疑问句用how long 引导。所以 a berry 前不用加介词了
答
How long
does it take for a ferry to cross the river?或
How many minutes does it take for a ferry to cross the river?
答
How long does it take for a ferry to cross the river.
对时间长短提问用how long
答
How long does it take for a ferry to cross the river .
答
how long does it take for a ferry to cross the river?
答
How long does it take tocross theriver foraferry?
答
How much time does it take for a ferry to cross the river?