摘要： On average, there are 800 tornadoes in the U.S. each year, about 80 deaths and 1,500 injuries. A. cause B. caused C. to cause D. causing
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.On average, there are 800 tornadoes in the U.S. each year, _______ about 80 deaths and 1,500 injuries.
- A.cause
- B.caused
- C.to cause
- D.causing
.
On average, there are 800 tornadoes in the U.S. each year, _______ about 80 deaths and 1,500 injuries.
A. cause B. caused C. to cause D. causing
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On average, there are 800 tornadoes in the U.S. each year, _______ about 80 deaths and 1,500 injuries.
| A．cause | B．caused | C．to cause | D．causing |