问题补充:
An exhibition of paintings at the museum next week.
A. will hold
B. is to be held
C. are holding
D. are to be held
答案:
A. will hold
(答案→)B. is to be held
C. are holding
D. are to be held
解析:考查时态。本题使用的是be to do sth表示将来时。本句的时间状语是next week,Be to do sth表示计划的事情;表示注定要做某事;也可以表示命令做某事,相当于have to, must,should。句意:下个星期一次艺术展要在博物馆里被举行。故B正确。