that which的问题 有例题 谢谢

where is the bottle of coke ___ I bought this morning?
A which B that C....

请问这题为什么选that 不选which 呢?还有假如在which 中加个介词的话是不是就正确了?又是加什么介词呢?

非常感谢~
还有个问题 就是
you must have finished it yesterday,____?
为什么是选didn'you 而不是haven' you呢?

谢谢,一定加分

有关 that 和 which 的问题！！ which 或that 的修饰问题 that which的问题 有例题 谢谢 关于which和that的区别使用问题 which和that的区别? whom,which,that and whose 中的问题 that or which?? 请问下面的句子 which和that的语法区别 which和that 引导时的区别 关于用that不用which的句子！