阅读理解,英语,

阅读理解,英语,
Americans with small families own a small car or a large one.If both parents are working,they usually have two cars.When the family is large,one of the cars is sold and they will buy a van.
A small car hold four persons and a large car can hold six persons but it is very crowded.A ven hold seven persons easily,so a family three children could ask grandparents to go on a holiday travel They could all travel together.
Mr.Hagen and his wife had a thind child last year.This made sell a second car and bus a van.Their children sixth and seventh seat are used to put other things,for a family of five must carry many suitcases when they travel.When they arrive at their grandparent's home,the suitcases are brought into the two seats can then carry the grandparents.
Americans call vans motor homes.A motor home is always used for holidays.When a family are traveling to the mountains or to the seaside,they can live in their motor home for a few days or the seaside,they can live in their motor home for a few days or weeks.All the members of a big family can enjoy a happier life when they are traveling together.That is why motor homes become very popular.In America there are many parks for motor homes.
在美国人群中,一个再小的家庭都会拥有一辆小汽车或者大型汽车.如果父母两人都有工作的话,他们通常会有两辆汽车.在任何一个大的家族里,他们都会卖掉一辆汽车从而购买一辆住房式汽车.
一辆小型汽车能容纳4人,一辆大型汽车能容纳6个人,但是那样会非常拥挤,一辆住房式汽车很容易的同时容纳7个人,所以一个家庭,3个儿童能邀请他们的祖父祖母一同去度假旅行,同时整个旅行他们都能再一起度过.
哈根先生和他的夫人在去年有了他们的第3个小孩,这促使他们卖掉了一辆汽车而购买了一辆家庭住房汽车.他们的孩子可以把一些东西放到第6和第7个座位上,一个5口之家在旅行的时候需要搬运许多衣箱和行李.他们来到了他们祖父母的家,再容纳2位老人的同时还可以腾出2个座位来放老人的行李.
美国人们称这种房式汽车叫做家庭电动房屋.每逢度假日都会使用这样的汽车,一家人可以驾驶着它到任意的名山、海滨去旅游,在海滨胜地他们能住进电动房屋很多日子,他们能住进电动房屋很多日子甚至数个星期.在一个大的家庭里,所有成员都能快乐的一同参加度假旅行.这就可以说明为什么这样的电动房屋会变得怎么流行了.在美国,许多公园里都会有家庭电动房屋停放在那里.
从上文中找出合适的单词填入以下空格内
if a car hold（）persons,it will be very crowded
mr hagen had（）children last year
vans are always used for（）
motor homes have become very popular because all the members of a big family can （）together