问题
填空题
用所给词的适当形式填空。
1. They are my _____ (book).
2. Those _____ (case) are in the bus.
3. This is _____ (he) backpack.
4. Where's my _____ (math) book? I don't know.
5. Please take these _____ (thing) to your mother.
答案
1. books 2. cases 3. his 4. math 5. things