Bythetimethecourseends_________alotaboutthecultur

By the time the course ends_________, a lot about the culture of this country.

A． we’ll learn

B． we are learning

C． we have learnt

D． we’ll have learnt

正确答案：D
本题考查的是将来完成时的用法将来完成时表示在将来某一时刻之前业已完成的动作题干的意思是：“这门课学完时我们将了解这个国家很多文化知识”