it is the museum which i visited last year.it is the museum
4个回答

【关系副词=介词+关系代词】

it is the museum where the exhibition was held

=it is the museum in which the exhibition was held

其中where=in which

为什么用in ,而不是on at ……

原因是:the exhibition was held in the museum

显而易见介词是in

which在定语从句中只作主语或宾语

where在宾语从句中作地点状语

understand?