I decide which one to buy.为什么要用which one to buy?而不用which to buy?谢谢.I decide which one to buy. 为什么要用which one to buy? 而不用which to buy?谢谢.
问题描述：
I decide which one to buy.为什么要用which one to buy?而不用which to buy?谢谢.
I decide which one to buy.
为什么要用which one to buy?
而不用which to buy?谢谢.
答
which这个代词只可以用this，that这样的词回答，换句话说，如果用which提问的话，就用this，that回答，如果用which one提问的话，就用this one,that one 回答。
这里显然要用this one,that one,the blue one,the red one等来回答，所以要用which one to buy,不用which to buy
作者明白了吗？
不明白再问
答
which这个代词只可以用this,that这样的词回答,换句话说,如果用which提问的话,就用this,that回答,如果用which one提问的话,就用this one,that one 回答.这里显然要用this one,that one,the blue one,the red one等来...