单项选择题

The __________ of a language is by no means an easy topic of the country________ to investigate into.
A.source
B.resource
C.nature
D.beginning

A.A.source
B.resource
C.nature
D.beginning
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单项选择题
It was 40 days later that the rebels in the boundary areas of the country______ to the authorities.A.negotiatedB.overcameC.descendedD.surrendered
A.A.negotiated
B.overcame
C.descended
D.surrendered
单项选择题
A strange noise in the woodshed_____ my curiosity and I peeped through the window, only to find a ca in it .A.arousedB.raisedC.aroseD.rose
A.A.aroused
B.raised
C.arose
D.rose
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