China is going to a manned space station around 2020 to explore more space.A, set up B. put up C. wake up D. turn up
We should protect the earth,we will have no water to drink.
—Why are you standing there,Kangkang? —I can’t see the blackboard clearly.Two tall boys are sitting me.
—are you going to Shanghai? —I’m taking the plane.
—Which is the biggest number of the four? —.
What did Mr.Smith do before he came to China? —He in a car factory.