________ we admit that there are still some problems about NMET，we don’t mean that it is of no use.[ ]

How old is she — __________.

This kind of weather isn’t fit _________ us _________

Last Sunday I went to visit the History Museum where I saw a pot _________ about 1,000 years before.

TheTV is too noisy, would you mind alittle, please?–Sorry,I will do it right away.