通过本课的学习，你掌握了文中出现的单词了吗？来这里试一试吧！友情提示：注意变换形式噢！

He went into her ________(帐篷)and she told him to sit down．

通过本课的学习，你掌握了文中出现的单词了吗？来这里试一试吧！友情提示：注意变换形式噢！

Do you know how many ________(行星)the sun has?

通过本课的学习，你掌握了文中出现的单词了吗？来这里试一试吧！

The towns are ________(连接)to cities by train and bus services．

通过本课的学习，你掌握了文中出现的单词了吗？来这里试一试吧！

He drives his car at the ________ of 100 km per hour．

通过本课的学习，你掌握了文中出现的单词了吗？来这里试一试吧！友情提示：注意变换形式噢！

In the future, r________ will do most of dangerous things．