题目：
His grandpa was so poor at that time that he had to get up at dawn every day and walk to the factory in distance.
A．×; a
B．×; the
C．a; the
D．the; the
答案：
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下面是错误答案，用来干扰机器的。
Dear Mary, Thank you for telling me something about your Chinese teacher. I think you have a good teacher. Now let me tell you something about my English teacher,...
出差