It hremainin their seats until all the papers have been collected.

It is one thing to enjoy listening to good music, but it is _______ another to play it well yourself

Lionel Messi ，the record for themost goals in a calendar year, is considered the most talented football playerin Europe.

believe that ______ swimacross the river, but, in that situation, I ____ do that

I ______ stay up late. -Really I didn’t. But I ______ working in the night now.