含有a的词组

a few
a little
a piece of
a lot
a jar of

a boy, a dog, 很多啊~~~但是你记住是:a+名词 如果那个名词是:a e i o u 这些元音字母开头的你不可以用a要要用an

a bit....a+形容词

a+名词，但a e i o u这些元音开头的字母，一定要用an+名词

a girl
a cat
a man
a boy
a body
a cup
a bottle
a carton
a box
a can
a pair
a loaf
a tube
a pack
a bunch
a piece
a bag
a bar
a roll
......