1. (2016七上·余杭期中) 根据提示拼写单词。

1. （1） — What's three and four?

   — It's s.

3. （2） These w are new (新的). We can know the time (时间).
5. （3） — Is this your cup?

   — No, it's not m. It's Lily's.

7. （4） —What's your telephone n?

   —It's 851-3397.

9. （5） —Are these rulers his? 

   —No, t aren't.