Most air pollution is caused by the burning of ____ like coal, gas and oil.
On two occasions he was accused of stealing money from the company, but in neither case ______ any evidence to support the claims.
---- Oh no! We’re too late. The train _____ . ---- That’s OK. We’ll catch the next train to London.
Much disappointed as he is ________ in the job interview, he still keeps his confidence.
Home is ________ somebody notices when you are no longer there.
Most of the students in the Occupy Central movement in Hong Kong ______ have participated for more rights, but what they did caused serious effects on people’s living.