Scientists think they have in their attempt to find the causes of some major diseases A broken through B worked though C got thought D gone though
Tim Bemers-Lee is generally considered ____ the World Wide Web, on which all the information is shared by all.
Was it in this very room ____ he made up his mind ____ he should break away from his family?
Later they discovered, ____ was news to him, that Pamela was the headmaster’s daughter.
I shall always ____ your friendship greatly for friendship is more important than money.
The first textbooks written for teaching English as a foreign language ____ in the 16th century.