Some of the people who ( ) to the party can't come now.A are invited B have been invented

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Some of the people who ( ) to the party can't come now.A are invited B have been invented

Some of the people who ( ) to the party can't come now.A are invited B have been invented
Some of the people who ( ) to the party can't come now.A are invited B have been invented

Some of the people who ( ) to the party can't come now.A are invited B have been invented
用现在完成时被动语态的have been invented是为了表明动作先发于can't come 的.因为先“邀请”,再“来”

B have been invented
这里用现在完成时

b as well as 跟前面的 本句是考查主谓一致主语是brown 因此答案是B谓语动词与two of his classmates没关系

have been已被邀请的,如果是are invited就是经常被邀请