— What is the____of the 2010 World Expo(世博会)? — It is “Better City, Better Life”. A.song B.theme C.custom
—What are you doing for your vacation? —________________________.
—I’m tired and stressed out. —You should ___________.
—_________is very interesting to swim in the river in summer, but it’s dangerous.
Vegetables are goodour health, so we should eat them every day.
—do you go to the movies? —Hardly ever.