题目内容
19、The river beyond our school has become clean again as new measures are ______ to prevent it ______ any further.
A. taken; polluting B. taking; being polluted
C. taken; being polluted D. taking; to be polluted
试题答案
19、C.
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题目内容
19、The river beyond our school has become clean again as new measures are ______ to prevent it ______ any further.
A. taken; polluting B. taking; being polluted
C. taken; being polluted D. taking; to be polluted
试题答案
19、C.