Market economy is a competitive economy, ______ I think, suppliers, producers and dealers should obey market rules and develop cooperative relation based on mutual benefits.
——Let’s go skating after school. ——_____ Call for me at any time.
——Hi, Steve, you look tired. ——I am tired. I ______ the living room all the afternoon.
________by the beauty of the West Lake, Mary decided to stay for two more days in Hangzhou.
Go and see her whenever _____.
Having won the first place in the English examination, Tom ran back home, .