摘要： 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
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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
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
查看习题详情和答案>>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
查看习题详情和答案>>