The bridge have been built for 3 years. 改为主动形式
问题描述:
The bridge have been built for 3 years. 改为主动形式
答
we(peaple) built the bridge 3 years ago.
答
People have built the bridge for 3 years.
答
Someone built the bridge 3 years ago.
人们于三年前建造了这座桥.