So that all the living things are dying out gradually .
A.serious polluted the lake is | B.serious polluted is the lake |
C.seriously polluted the lake is | D.seriously polluted is the lake |
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So that all the living things are dying out gradually .
A.serious polluted the lake is | B.serious polluted is the lake |
C.seriously polluted the lake is | D.seriously polluted is the lake |