题目内容
( ) 7. ―Do you know in ancient China?
―I have no idea. But I know people once used tree leaves to make paper.
A. how paper was made
B. how was paper made
C. what paper was made
D. what was paper made
A
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题目内容
( ) 7. ―Do you know in ancient China?
―I have no idea. But I know people once used tree leaves to make paper.
A. how paper was made
B. how was paper made
C. what paper was made
D. what was paper made
A