1.Do you think the reason why he gave is believable?
2.My boss even thought beer was the best drink which he had ever drunk.However,I just take it as the bitter water with bubble.
选做： 生活日记网
★When you read books,you had better make a mark at the spot which you have any question.
答案：
1.应该将why改为which.该句从句中的which是he gave的宾语，所以不应该用why
2.which改为that，该题考点为which与that引导定语从句的区别，因为先行词有了最高级the best 修饰，所以要选that
选做：which 改为where，该题考察where引导的定语从句，在从句中where做地点状语
