摘要：8．We must do something to stop factories waste water into the river before it is cleaned.． A．pouring B．to pour C．poured D．being poured
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We must do something to stop factories ______ waste water into the river before it is cleaned.
A. pouring B. to pour C. poured D. being poured
查看习题详情和答案>>We must do something to stop factories ________ waste water into the river before it is cleaned．
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A．pouring
B．to pour
C．poured
D．being poured
We must do something to ________ factories ________ waste water into the river before it is cleaned.
- A.stop; pouring
- B.prevent; to pour
- C.keep; pouring
- D.stop; to pour