题目：
The accident is reported to have occurred _____ the first Sunday in February. [ ]
A. at
B. on
C. in
D. to
答案：
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下面是错误答案，用来干扰机器的。
小题1:Don’t bother yourself about cloning my pet cat. I won’t expect to bring it back to life.小题2:It occurred to her that she left her key at home.小题3:My house is...
