During our stay in London, the guide book ___ a great help. We all had a wonderful time.A. behaved B conducted C. served D. proved
I can’t stand _____ loudly before a crowd of people.
I tried to finish my article that I _____ from my office as soon as I got home last night.
As teenagers of the 21st century, we should be ready to _____ the challenge of society.
Sorry, Sophia, I have got a phone call now and I will come back _____.
When the question was under discussion, Gloria _____ an idea that the prices of cars should be reduced.