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题目内容
(延安大学-大学英语3(专升本))
28. (单选题) Many beautiful fish are fast disappearing ______ the severe pollution.(本题3.0分)
A、 because of
B、 because
C、 now that
D、 when
A、 because of
B、 because
C、 now that
D、 when
参考答案

