each of the students in my class____and MP4 player A.have. B.has. C.having. D.is having 为什么是B
问题描述:
each of the students in my class____and MP4 player A.have. B.has. C.having. D.is having 为什么是B
答
每个学生,所以是单数形式.an不是and你打错了