Last Sunday, we went to China Dinosaur Land in Changzhou. We _______there for 10 hours.

At the meeting place of the Yangtze River and the Jialing River ______，one of the ten largest cities in China.

Beneath our feet_____ that our lives depend on forfood and clothing.

My son, ___________ exercise every day. It’s good for your health.—OK.

_______ you are familiar with the author’s ideas, try reading all the sections as quickly as you possible can.