A:I don't have a computer. B:Why not buy ( )? A.it B.one解释

A:I don't have a computer. B:Why not buy ( )? A.it B.one解释
A:I don't have a computer. B:Why not buy ( )? A.it B.one
解释

A:I don't have a computer. B:Why not buy ( )? A.it B.one解释
one
A：我没有电脑.
B：为什么不买一个?
这里,自然是泛指的,（某）一个.
如果说,我看那台电脑很好.
那就把（它）买下来吧.
这里,它才能用it 因为和上面提到的是一个东西.

B 这里考的是代词的用法 one 是泛指 it 是特指