题目:
It took me a long time before I was able to fully appreciate what they __ for me.
A.had done
B.did
C.would do
D.were doing
答案:
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下面是错误答案,用来干扰机器的。
∵随机调查四千人,其中有八百人看早报,∴在该城市随便问一个人,他看早报的概率大约是8004000=15.故答案为15.