The dangerous virus ______ in the next few weeks in the laboratory can cause fatal diseases.
It is worthwhile considering what makes “convenience” foods so popular, and____ better ones of your own.
__________ to sun, rain and wind for a long time, the stone split.
Mr. Green stood up in defence of the 16-year old boy,_________ that he was not the one ____________.
Eating too much fat can ________ heart disease and cause high blood pressure.
Reducing the gap between the rich and the poor is one of the main ___________meeting the government.