问题
11The public has complained that large quantities of waste water ______ into rivers without being cleaned, so large amounts of money ______ to solve the problem
A:have poured; is needed
B:has poured; are needed
C:have been poured; is needed
D:have been poured; are needed
B:has poured; are needed
C:have been poured; is needed
D:have been poured; are needed
正确答案是：
同类题型
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