David is into football, and he wonders how much time it ______ to be a good footballer.
The woman talking on TV show now is known ___ a famous singer___ the public.
If John Lennon and Paul McCartney _______ , the pop music of today ________ very different.
_ __ __, I have to put it away and focus my attention on study this week.
The chair is _________ .Please take it away.
The printer is of good quality. If it ______ break down within the first year, we would repair it at our expense.