I think it must be very interesting to travel around the world.
问题描述:
I think it must be very interesting to travel around the world.
But it costs__much money and sometimes it is full of danger.
A.one B.two C.three D.four
答
选择A
此处是one是代词,相当于someone、somebody.
eg To finish study English well ,one should study hard.
本句也符合句型 it costs sb.some money
供参考.