1. You have more pens than I, but m ___   are better than yours.
2. The doctors and nurses tried every effort to save the d __    boy, but it didn't help.
3. Would you please write down your name, home a       _ ,and mobile phone number?
4. The shoes are too expensive. I can't a     __  them.
5. Mobile phones must be kept off d   ___  the meeting．