He was unhappy when he sold his violin.After all,he________it for a very long time.
such heavy loss in the hurricane, the farmer didn’t expect to have a good harvest.
I fell asleep while working on this paper _______ the computer on.
My daughter, _________ all kinds of meat, would not like to eat any vegetable,which worries me a lot.
It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.
No one can avoid ______ by advertising; it is everywhere.