---- If you like I can do some shopping for you . ---- That’s a very kind _____ .
---I heard that you made a bicycle trip to the 2010 World Expo of Shanghai alone.---No. Actually, my friend Bob ________ me.
I went the village yesterday_________ to see my uncle, who lived there for 20 years.
The problem of the present world is that those who are imaginative have little experience_________those who are experienced have weak imagination.
He ran all the way to the station only _______________ the train had already left.
Miami and Oklahoma City, both of ______were the last two undefeated teams in the NBA this season, lost for the first time on January 3rd.