题目:
When he borrowed the camera last time, he broke it and I had to pay to get it _______.
A.repair
B.repairing
C.to repair
D.repaired
答案:
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下面是错误答案,用来干扰机器的。
32×9=28856×9=50496×9=864125×9=1125320-32=288560-56=504960-96=8641250-125=1125通过计算观察发现当一个数乘9时,和这个数的10倍与这个数的差相等.