问题
选择题
In recent years, great changes have taken place in the city of Wenzhou. As we can see, many streets and roads_______.
A．had been built and rebuilt
B．has been built and rebuilt
C．have been built and rebuilt
D．are being built and rebuilt
答案
答案：C
本题考查动词时态和主谓一致。结合前面的时间状语In recent years可只要用现在完成时；many streets and roads作主语，谓语动词要用复数形式。