单词拼写（每小题1分，共5分）
根据句意及所给的词首字母或汉语提示，补全单词。
We’d better drink a glass of m     every day. It’s good for our health.
—I’ve never been to Beijing.  —I haven’t, e     .
—How often do you go to a concert?  —O      a week.
The book I want is right at the           (底部) of the shelf.
Both of the jackets look nice on me. I can’t decide which one to        (选择).