问题补充:
There an important meeting tomorrow.
A. will have
B. is going to be
C. is going to have
D. has
答案:
A. will have
(答案→)B. is going to be
C. is going to have
D. has
解析:句意:明天有一个重要的会议。There be举行表示某地有某物。Have表示某人有某物。结合语境,可知本句描述的是将来计划打算发生的事情,will表示自然发生的动作,故选B。