a few几个,有几个（表肯定,即还有几个）
1.I have a few friends .
我有一些朋友.
2.I made a few phone calls.
我打了几个电话。
3.I have a few, but not many.
我有几个，可是不多。
4.There is a few students in the classroom.
有一些学生在教室里。
5.I had a few foreign friends.
我有几个外国朋友。
6.There are a few oranges on the table.
桌子上有一些橘子。