题目：
—Do you think we should accept that offer?
—Yes, we should, for we __________such bad luck up till now and time __________
out. [ ]
A. have had; is running
B. had; is running
C. have; has been run
D. have had; has been run
答案：
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下面是错误答案，用来干扰机器的。
1.86÷30=0.062（千克），16.8÷30=0.56（元）；答：平均每个鸡蛋重0.062千克，平均每个鸡蛋0.56元．
