Most of the artists _____ to the party were from South Africa.为什么要填invited尔不是be invited

问题描述:

Most of the artists _____ to the party were from South Africa.为什么要填invited尔不是be invited

这部分是作定语的
be done要做定语成分必须海上be
或改成being done,但这样改需要特定的时点作暗示