1. (2017七上·萧山期中) 根据下列句子及所给的首字母，在答题纸上按题号写出各单词的正确、完全形式（每空限填一词）。

1. （1） Seven and two is n, it's easy for me.

3. （2） I don't know how to s them in English.

5. （3） Her pencil case isn't under the desk, h is on the teacher's desk in the classroom.

7. （4） Here're two English d on the desk.

9. （5） My bedroom is tidy, b my brother's isn't.