问题
The big fire ________ due to the burning of construction materials caused 58 deaths and destroyed all the belongings of the people there.
A:was believed to occur
B:was believed to have occurred
C:believed to have been occurred
D:believed to have occurred
B:was believed to have occurred
C:believed to have been occurred
D:believed to have occurred
正确答案是：
同类题型
You won the first prize in the Physics competition.— . I made several terrible mistakes.
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What did Mr. King say to you—He _______me ______to school early tomorrow.
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_________, he could continue working in this company now.[ ]