单项选择题

All ______ is a continuous supply of fuel.

A．what is needed
B．the thing needed
C．that is needed
D．for their needs
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单项选择题
Their experiment ______ much attention．
A．attached
B．attracted
C．acquired
D．awaked
单项选择题
The more he tried to please her，______ she seemed to appreciate it．
A．less
B．lesser
C．the less
D．the lesser
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