问题补充:
The poor little girl longed for a lovely Barbie, her mother could never afford.
A. that
B. the one
C. one
D. it
答案:
A. that
B. the one
(答案→)C. one
D. it
解析:此处one和a lovely Barbie是同位语,因为是不定冠词,所以只能用one。其后又接了一个定语从句。故选C。句意:那位可怜的小女孩渴望要一个可爱的芭比娃娃,她的母亲从来买不起一个。