问题
Trees ________ every year to make our city greener.
A:plant
B:are planted
C:were planted
D:will be planted;
B:are planted
C:were planted
D:will be planted;
正确答案是：
同类题型
_I like to have my photos taken_______there are mountains and rivers
Beth comes from a tradition ______ people dress up forparticularly popular sporting events
ou in a hurry—No, in fact I’ve got plenty of timeI_______wait
Miss Li has taught ____ English for about 3 years. —You are lucky. ____ is a very good teacher.