Martin’s gone to ______ the children from school.
Scientists ____ thousands of chemicals before they decided on the right one in the end.
The deserted island is only _______ by boat.
As is widely acknowledged, a great number of traffic accidents ____ numerous deaths and countless property loss all over the world every year.
To their great _____, Tom’s problem proved not to be as serious as they had feared.
________ we had read your letter _____the true state of affairs.