The war made _______ impossible for the scientist to go on with his research.
After getting lost in a storm, a member of the navy team __________ four days later.
It was reported that an agreement __________ between the two companies and that they would carry out a project together.
__________ in 1864 in Geneva, Switzerland, the agreement was intended to protect the wounded soldiers and limit human suffering in time of war.
What you said just now __________ to do with the matter we are discussing.
Such poets as Shakespeare __________ widely read, of whose works, however, some __________ difficult to understand.