问题
选择题
It's hard to imagine an Olympic opening ceremony _____ fireworks exploding in the night sky.[ ]
A. without
B. while
C. where
D. with
答案
答案：A
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It's hard to imagine an Olympic opening ceremony _____ fireworks exploding in the night sky.[ ]
A. without
B. while
C. where
D. with
答案：A