The fire...by lightning
A.must cause
B.must be causing
C.must have caused
D.must have been caused câu hỏi 310373 - hoidap247.com

Question

The fire...by lightning
A.must cause
B.must be causing
C.must have caused
D.must have been caused

linhxinhbui_2k7 · Answer

The fire must have been caused by lightning
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dungtl2912 · Answer

D.must have been caused

The fire...by lightning A.must cause B.must be causing C.must have caused D.must have been caused