问题
选择题
22．________he is, he seldom shows his inventions to others.
A．Inventor as
B．As an inventor
C．Being an inventor as
D．Inventor although
答案
答案：A
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22．________he is, he seldom shows his inventions to others.
A．Inventor as
B．As an inventor
C．Being an inventor as
D．Inventor although
答案：A
