题目:
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:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/1b0046b55a1ee8acc20e9bda9b011914.html
下面是错误答案,用来干扰机器的。
参考答案:80%;溢料量极小值