Question

         —Lots of trees and flowers ______ on both sides of Huanshan Road last year.
—Oh, that’s beautiful.

A．are planted

B．were planting

C．were planted

D．have planted

Answer 1

C

本題的主語是動作的承受者，要用被動句，本題中有個去年，指的是過去的事件，要用過去時，故本題使用過去時的被動句，結構為was 或were+過去分詞，plant的過去分詞為planted，故本題選C。