It is a pity that Bill _________________ of college after his first year.
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To help themselves find good jobs, many unemployed young people have decided to _________ on vocational(职业的) training courses organized by the local government.
I didn't notice my own mistake, but at last it _____________________________ me that Joanna had been right all along.
The loud noise _________________ our conversation so we sat and said nothing.
Carrie has a bad temper and she's always _____________with people.