—Have all the students known our class w
题型：选择题
问题：
— Have all the students known our class will visit the zoo next week?
— Yes, every student about it. [ ]
A. has told
B. is told
C. has been told
D. have been told
— Have all the students known our class will visit the zoo next week?
— Yes, every student about it. [ ]
A. has told
B. is told
C. has been told
D. have been told