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题目内容
（兰州大学大学英语（3））
9.
(4分)Thanks ___ his laziness ,the work was delayed a great deal.
A. for
B. to
C. by
D. /
(4分)Thanks ___ his laziness ,the work was delayed a great deal.
A. for
B. to
C. by
D. /
参考答案