Tornadoes (25) _____________ ranked on the Fujita scale, from F0 to F5. The F0 has the lowest wind speed, and the F5 has the highest one.

Tornadoes (25) _____________ ranked on the Fujita scale, from F0 to F5. The F0 has the lowest wind speed, and the F5 has the highest one.

A. is  

B. are 
C. was 
D. were

Trả lời

Chọn đáp án B

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