.When it _________ high technology, he is completely at a loss.
I don’t like drinking milk. Please _______coffee for milk.
I would appreciate ______if you could lend me a hand.
My first summer vocation in the high school, _______I spent a fortnight on the farm, is really unforgettable.
The 2010 World Expo in Shanghai is_____ to any other fair held in China this year.
A modern city has been built in______ was a small fishing village.