Question

He told us he _______a concert________. A．had attended；three days before B．attended；a week

He told us he _______a concert________. A．had attended；three days before B．attended；a week ago C．would attend；since a week ago D．was attending；for a week

Answer 1

A

主句He told us用的一般过去时态，而从句动作参加音乐会发生在主句谓语动词之前，所以从句要用过去完成时态。选A。