--- Mr Wu, could you tell me ________?--- You’d better do more speaking.
Our country _____ progress in science and culture in recent years.
—What did our geography teacher say?—She told us that the earth _____ around the sun.
When we went into the park, we saw someone _____ Chinese Kungfu.
—How about going hiking this weekend?—Sorry, I prefer _____ rather than _____.
—Have you ever _____ Mudanjiang to see the Jingbo Lake?—Yes, I have.