第一个选where,where 相当于 in which,其实是 Chairman Mao once lived in the room,which 指代the room
第二个选which,指代的是the museum,定语从句中缺少的成分是to 的宾语,其实是we paid a visit to the museum
第一个选where,where 相当于 in which,其实是 Chairman Mao once lived in the room,which 指代the room
第二个选which,指代的是the museum,定语从句中缺少的成分是to 的宾语,其实是we paid a visit to the museum