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The big fire in Shanghai, believed to due to the burning of construction materia

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The big fire in Shanghai, believed to due to the burning of construction materia

The big fire in Shanghai, believed to ___ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.

       A.have occurred                                  B.occur

       C.have been occurring                    D.be occurring

试题答案

A