excuse做”借口“的意思时，是名词，可以做定于从句的先行词。关系词用什么，需要看具体的句子，关系词在从句中充当什么成分，一般是主语、宾语和状语：
主语：He managed to find an excuse that seemed reasonable.
宾语：The excuse that he gave was not accepted.
状语：Do not try to give any excuse where we can easily find your fault.
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ号：24596024