7. The university has launched a research center to develop new ways of ________ bacteria which have become resistant to drug treatments.
He _______ have escaped, but he chose to stay and fight.
_______, according to the instructions, the medicine, I think, will work on your headache before long.
Only after spending several nights working on the math problem to wonder whether the problem was wrongly set.
I can’t persuade him out of playing computer games. He is to them.
______ by a greater demand of vegetables, farmers have built more green houses.