问题
选择题
An exhibition of paintings ________ at the museum next week . [ ]
A. are to be held
B. are holding
C. is holding
D. is to be held
答案
答案：D
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An exhibition of paintings ________ at the museum next week . [ ]
A. are to be held
B. are holding
C. is holding
D. is to be held
答案：D