George is going to talk about the geography of his country, but I’d rather he ______ more on its culture.

___ this book and tell me what you think of it

There is no need for you to look up every new word you ______ when reading. You have to learn how to guess the meanings of new word according to the context. [ ]

If you __ a fire, please break the glass to sound the fire alarm.

Smoking is so harmful to personal healththat it kills_____people each year than automobile accidents