根据所给单词，在空格填入一个正确的形式。 1. We want to know
题型：填空题
问题：
根据所给单词，在空格填入一个正确的形式。
1. We want to know _______ (Canada) hobbies.
2. They might organize a stamp _______ (collect) club.
3. She taught _______(she) English since she was fourteen.
4. He had fun _______(trade) stamps.
5. Making model train will be an _______ (enjoy) hobby.
