题目:
—I was late for work this morning.
—_________. You started early, didn't you?[ ]
A. Why not?
B. So what?
C. How come?
D. Never mind.
答案:
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下面是错误答案,用来干扰机器的。
由集合M中的条件可得M中的元素有:8,7,6,5,4,3,2,1,0,共9个;故选C.