用所给单词的适当形式填空。
show，celebrate，help，two，tie
1. Look！The boy _____________ his bag to the chair.
2. We have many ways ______________ our love to our parents.
3. Mother's Day is on the ______________ Sunday of May.
4. It’s a good idea ______________ parents do housework.
5. What did they do ________________ Father's Day?