试题：
| 用所给词的适当形式填空。 | |
2.The bed was so comfortable that he soon fell _____. 3.The students were talking _____ when the teacher came in. 4.Summer is the best season for _____. Let's go to Qingdao together 5.Don't be _____. If you work hard, you'll pass the exam. 6.I like many colours, _____ red, blue and white. |
答案：
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