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【简答题】What does the story try to tell us?
【简答题】格赛尔双生子爬楼梯的实验说明了（）。
【单选题】—Could you please tell me _____________? --“Rome wasn’t built in a day”. You should try to give it enough chances to become strong.
A.
why I should do to have a good memory
B.
what I can do to have a good memory
C.
how can I do to have a good memory
D.
what can I do to have a good memory