a man还是an man?
a man还是an man?
是a man还是an man
an onehundred-year-old man用a还是an
really a man还是a really man?
是a old man还是an old man?如果是an的话,那为什么university是用a呢?
一个男人用a man or an man?
是a success man 还是 a successful man
be a man还是to be a man对么
是a man of fifty还是a man about fifty
He is a\an easy-going man.
the old man is a expert 这里是a还是an?
是“I saw an old man fall down”还是“I saw an old man fell down”