Ⅰ.用所给单词或短语的适当形式填空
stamp, shelf, wonderful, collect, tidy up
1．The ____________ in our school library are full of all kinds of books.
2．My mother ____________ my room now. It's too untidy.
3．There are some nice ____________ on these envelopes.
4．I won't throw away those old photos. They can always bring me some ____________ memories(回忆)．
5．My hobby is ____________ old notes and tickets.
