1.whom ,引导定语从句,代替先行词 many people,
2.which ,引导定语从句,代替先行词factory在从句中作visited 的宾语
3.A.of which 代替of the nine months ,意思是,这九个月中,航行时间是226天.
1.whom ,引导定语从句,代替先行词 many people,
2.which ,引导定语从句,代替先行词factory在从句中作visited 的宾语
3.A.of which 代替of the nine months ,意思是,这九个月中,航行时间是226天.