问题补充:
--- Mum, have you seen my mobile phone?
---you bought last week? I’m sorry I haven’t seen .
A. One ; it
B. One ; one
C. The one ; it
D. The one ; one
答案:
A. One ; it
B. One ; one
(答案→)C. The one ; it
D. The one ; one
解析:the one 特指上文中的那一个,同时后一个讲的是我没看见那一个(具有特指意味)因而用it,故选C