16.After the clock twelve, the students walked out of the lecture room.
The ______ news made all the people at the party _____.
. We should consider what use can _______ such a book.
Once he ______ his mind, nothing can be done to ________ his mind.
Many questions _____ at the meeting, but he answered none.
. The old man, who _______ the World War II, is Peter’s grandfather.