填空题

Three hundred years ago people were (debate)（）whether the earth or the sun was the center of the universe.

【参考答案】

debating
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单项选择题
What did the children tell their father about the trip to the zoo（）

A．They like going to the zoo．
B．They like to go to the beach．
C．They dislike going to the zoo．
D．They want to visit the zoo by themselves．
问答题
Why the old man walking in the train compartment
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