问题
选择题
After only half an hour's rest, the woman scientist ________ her research.[ ]
A．relied on
B．carried on
C．spied on
D．put on
答案
答案：B
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After only half an hour's rest, the woman scientist ________ her research.[ ]
A．relied on
B．carried on
C．spied on
D．put on
答案：B