问题
选择题
Flowers and trees ________ every year. Now our city is getting more and more beautiful.
A．are planted
B．were planted
C．have planted
D．were planting
答案
答案：A
题目分析：句意：每年鲜花和树木都被种植。现在我们城市变得越来越漂亮。根据鲜花和树木应该是被种植，可知需用被动语态，被动语态的构成是be +过去分词，故选A。