① in which
注：be dressed in ...
② with whom
注：shake hands with ...
③ with whom
注：find fault with ...
④ to which
注：pay a visit to ...
⑤ in which
注：live in ...
⑥ in which
注：in this dream
定语从句的选词主要是看从句部分成分是否完整.1到5题中的从句部分的动词或动词短语都缺少了介词,所以要填 “介词+关系代词”或 “关系副词”,但并不是所有的 “介词+关系代词”都可以用“关系副词”代替.第6题中的从句部分完整,所以考虑用“介词+关系代词”“关系副词”或 that ,再根据千米那的先行词 dream 确定选择 in which