A.had you B.hadnt you C.did you D.didnt you
A.yours; my B.his; hers C.her; mine D.his; hers
A.does she B.doesnt she C. is it D.isnt it
A.turn it on B.turn it down C.turn it up D.turn it off
A.with; in B.with; with C. has; with D.in; in
A. Fire can make house warm and cook food.
B. People should use fire carefully.
C. Fire can burn a house and kill pepole.
D. We know when man began to make a fire.
A. harmful B. useful C. bright D. both A and B
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