The British Museum, I think, is ________________ during the summer break.

 Although it is ________ to watch programs on TV sometimes, I think people shouldn’t spend all the time watching it. 

This is the ____ piano on which the composer created some of his greatest works.

 These plastic flowers look so _____ that many people think they are real,____they sell badly for the finanical crisis.

The concert he played sounded ___.