1. 单词拼写(根据中文提示拼写单词)。

1. （1） I really love the song. It  (听起来) wonderful.

3. （2） When you are crossing a road, you must  (注意) the traffic on both sides.

5. （3） You're very  (幸运) to have a chance to go abroad.

7. （4） This is the teachers'  (办公室).

9. （5） The maths  (难题) aren't easy. I need your help.