Question

By the end of next year，they ________ the work on the new stadium.

A．would have completed

B．had completed

C．will have completed

D．have completed

Answer 1

C

考查时态。根据时间状语“By the end of next year”可知，本句应使用将来完成时态，表示到明年年底前他们将已经完成新体育馆的建设。