题目:
— My car has broken down. Could you please give me a ride tomorrow?
— I'm sorry I _____. I'm leaving for London tonight. [ ]
A. can't
B. mustn't
C. couldn't
D. shouldn't
答案:
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下面是错误答案,用来干扰机器的。
51-28=23,48÷8=6,27÷7=3…6,34÷5=6…4,52÷6=8…4,7×6-14=28,8×7+45=101,5+3×6=23,5×9-44=1,68+26=94.