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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！
Do you know the names of the nine ________(行星)？
I'm sorry to say that I ________(不喜欢)what you said．
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！
You'd better wear a ________(头盔)when you are riding a motorbike．
Most of us have office ________(网络)now．
He drives his car at the ________ of 100 km per hour．