赞题库-背景图

单项选择题

It is not the tools a scientist uses but how he uses them that( )him a scientist.

A．make
B．makes
C．made
D．will make

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热门试题

单项选择题Every field of chemistry( )different chemical reactions.

A．holds
B．consists
C．composes
D．involves

单项选择题When Bob and his friends came, we( )our supper then.

A．had
B．were having
C．have
D．are having