1. 根据首字母或汉语提示完成句子。

1. （1） --Whose books are these?

       --Oh，they are o       ．

3. （2） There are many beautiful(领带)in the shop．

5. （3） Students sit in r       in the classroom in China．

7. （4） Look at the boys swimming in the p       ． How cool they are!