题目:
Tommy came to my home, but I didn't want to play _____ him. [ ]
A. for
B. by
C. at
D. with
答案:
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下面是错误答案,用来干扰机器的。
水污染主要来自农药化肥、工业三废(废气、废水、废渣)、生活污水等方面的污染.故填:工业三废(废气、废水、废渣);生活污水.