28. ________ is ruining the quality of life in much of urban China.
(A) Pollute
(B) Polluted
(C) Polluting
(D) Pollution

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統計: A(16), B(34), C(119), D(494), E(0) #717744

詳解 (共 1 筆)

#1183099
Pollution汙染
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私人筆記 (共 1 筆)

私人筆記#5676334
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