用括号内所给单词的适当形式填空。（5分 ）
—What did he do during summer holidays?
—He spent one month          (practice)basketball skills.
—What should we do to keep          (health)?
—It’s necessary for us to drink enough water every day.
—Do you know anything about H7N9?   —Yes. It’s a kind of terrible        (ill).
—What would you like for dinner?   —I’d like some beef with        (potato).
—Please lie down and have a good rest.  —OK. I’ll follow your           (suggest).