— Both David and his sister left school when they were only 11.— No wonder            of them is poor –educated.

---________is the weather like in America in winter? ---It’s snowy.

 Everyone seems      except me. I can help you.

My brother has_______pictures,but he doesn’t like_____of them.

The population of the world in 20 century became very much _____than that in 19 century.