帮忙修改英语句子的一些错误,下面的句子都有错如题

1。It's bored(boring) to stay here and do nothing。2。Oranges are my (most)不要 favorite fruit。3。He is a 20-year(s)-old fellow。4 His sitting-room is full with(of) rubbish。5。Taking exercise(s) is good for our health。6。That(It) took me two hours to paint the wall。7。This scientist believed that the earth was(is) round。8。She complained having(to have) so many clothes to wash,9。He is a workaholic and seldom has time for funny(fun)。10。There are seveal(several) good films on for(at) the moment。