1. B)根据语境，从方框中选择恰当的单词填空，有的需要变换形式，每词限用一个。

lost,    parent,    they,    room,    library

1. （1） Jack's think Jack is a good son．
3. （2） Wow! Your is very tidy, Linda．
5. （3） Books are everywhere in our school
7. （4） I my cup this morning and Mike found it in the classroom．
9. （5） —What are the names of these girls?

   — names are Jenny and Jessie．