______ is it from Olympic Center to your school — It’s about 10 minutes’ walk.

Between 1950 and 1990, the world population doubled to 5.3 . Nearly eighty of these people live in developing, poorer nations.

What did you do in the school sports meetingI didn’t______ anything, I hurt my leg.

Lily’s hair is________than__________.

at the new school—Fine, I’ve got used to the life there and I’vemade some friends