A survey of the opinions of scientists _____ that three hours of outdoor exercise a week_____ good for our health.
She still remembers Beijing University ______ she graduated five years ago.
The old pianist wouldn’t listen to our request that he _______ in public again.
_____ what he said, he must have been to the south of the country.
The ______ news made all the people at the party _____.
. We should consider what use can _______ such a book.