there has been a picture on the wall for a long time.the picture has been on the wall for a long time.
问题描述:
there has been a picture on the wall for a long time.
the picture has been on the wall for a long time.
答
很久以来,墙上曾挂有一幅画.(画已经不在了)
墙上那幅画已经挂了很久了.(画还在)