A．They were used to hold stuff.B．They took the place of-找考题网

单项选择题

A．They were used to hold stuff.
B．They took the place of newspaper in history.
C．They helped the farmers to have better harvest.
D．They were used as textbooks.

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单项选择题

A．Practice working together.B．Carry the parts Outside.C．Find the troubles.D．Act on the directions.

A．Practice working together.
B．Carry the parts Outside.
C．Find the troubles.
D．Act on the directions.

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