—Peter,wheredidyouguysgoforthesummervacation?—We

问题详情：

—Peter, where did you guys go for the summer vacation?

—We ________ busy with our work for months, so we went to the beach to relax ourselves.

A．were                                 B．have been

C．had been                             D．will be

【回答】

解析：结合问句的时态以及答语后半句的时态可知，“忙于工作”发生在“去海边”之前，表示的是过去的过去，所以用过去完成时。

*：C

知识点：过去完成时及其被动式

题型：选择题