Learning from _______ mistakes can help us stay cautious and make wise decisions in the days to come.
.We are living in an age ______ many things are done on computers.
You ________ be hungry already— You had lunch only two hours ago!
—Why is Mr. Li so happy this morning?—Because he was honoured with a(n)______ for excellence in teaching.
The news that he won the game sounds .
----I’ll tell Mary about her new job tomorrow. ---- You_____ her last week.