6/
1.claimed, interviewed, admitted
2. announced, reported
3. told, kept quiet
7/
2. Journalists all over the world wanted to interview him.
3. The National Science Association announced that she was going to be investigated for fraud.
4.He kept quite during the investigation.
5.The scientist admitted that he had invented some information to prove his theory.
6.A national scientific magazine reported readers about the whole story in a special edition.
