Change the forms of the following sentences. 句型转换。
1. Li Ming gives a gift to Danny.（同义句转换）
2. We bought some balls in the store.（变为一般疑问句）
3. Jenny is ill at home.（对划线部分进行提问）
4. Ten students are in the room.（对划线部分进行提问）
5. I will visit my cousin for the summer holiday.（对划线部分进行提问）
1. Li Ming gives Danny a gift.
2. Did you buy any balls in the store?
3. What happens to Jenny? / What's wrong with Jenny?
4. How many students are in the room?
5. What will you do for the summer holiday?