问题补充：
Therea class meeting tomorrow afternoon.
A. is going to have
B. will be
C. will have
D. will be going to be
答案：
A. is going to have
(答案→)B. will be
C. will have
D. will be going to be
解析：there be 表示有，不能与have 同时连用，there be 将来时，为there will be，故选B
