It was for the first time that he------to the party.A had been invited B was invitedIt was for the first time that he------to the party.A had been invited Bwas invited 为什么选A不行,

It was for the first time that he------to the party.A had been invited B was invitedIt was for the first time that he------to the party.A had been invited Bwas invited 为什么选A不行,
It was for the first time that he------to the party.A had been invited B was invited
It was for the first time that he------to the party.A had been invited Bwas invited 为什么选A不行,

It was for the first time that he------to the party.A had been invited B was invitedIt was for the first time that he------to the party.A had been invited Bwas invited 为什么选A不行,
it is for the first time加一般现在时
it was for the first time加一般过去时
it is the first time加完成时