486. Altogether it will take ten days to make the trip.
这次旅行可能要花费十天的时间。
487. I hope you have a good time on your trip.祝你旅途愉快。
488. I"m leaving tomorrow,but I haven"t packed my suitcases yet.
我明天出发,但是现在还没有整理好我的箱子。
489. I"m going by air.I like flying.我打算坐飞机去,我喜欢乘飞机。
490. My brother took a trip to Mexico.我哥哥去了墨西哥旅行。