The city of Qingdao has been working on building itself up as a city of sails ________ it successfully hosted the 2008 Olympics’ sailing program.
--Where is Xiao Wang? --I don't know. He__________ be in the library.
Bread and butter____________ for breakfast in many Chinese homes nowadays.
Is this the restaurant ___________ ?
—Will you go fishing with me? —___________.
How different is the impression produced by_____________ today!