一、用所给词的适当形式填空。
1.My brother will __________(毕业) from the university next year.
2.We meet all kinds of ____________(挑战) in our daily life.
3.I'll never forget the ___________(兴奋) of the school art festival.
4.Mr. White is a kind and _________(体贴的) teacher of ours.
5.．There is no difficulty in the world that we can't __________(克服) .
