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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

答案:A