問題詳情:
We must take measures to protect the environment from ______.
A.polluting B.being polluted
C. polluted D.pollute
【回答】
B
知識點:非謂語動詞
題型:選擇題
問題詳情:
We must take measures to protect the environment from ______.
A.polluting B.being polluted
C. polluted D.pollute
【回答】
B
知識點:非謂語動詞
題型:選擇題