问题
选择题
Many factorics often __________ the waste water __________ the river now.[ ]
A. pour; in
B. give; to
C. send; to
D. pour; into
答案
答案：D
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Many factorics often __________ the waste water __________ the river now.[ ]
A. pour; in
B. give; to
C. send; to
D. pour; into
答案：D