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课时作业(二十三)
Unit 6 Lessons 45、46
（20分钟 50分）
Ⅰ. 根据句意及汉语提示完成单词(10分)
1. Don’t be sad. You will have other (机会)to go there.
2. I think this old book is (值得)collecting.
3. The (行星)are far from us, so they look small.
4. I think the world is (公平的). You get more if you do more.
5. There must be something with the heating (系统). It is so cold in the room.
