A lot of tall buildings ___ in his hometown in the last three years.选项在问题补充里面.

题目

A lot of tall buildings ___ in his hometown in the last three years.选项在问题补充里面.
A.have set up
B.have ben set up
C.were set up
D.set up

答案

B.在三年之中小镇上建起了很多高楼
有in the last three years,所以要用先在完成时,楼是被建起的,所以选B