Do you like this MP5 player, Tom—Yes. It can play beautiful music, __________it is very expensive.

He’s one of those early birds. It’s __________ of him to get up early.

It’s obvious that the Beijing Olympic Games_______ a great success．

John has really got the job because he showed me the official letter________ him it. [ ]

I lost my wallet last week , but I didn’t have any money or credit cards in it at that time