（something ,nothing ,anywhere ,nobody ,anything ,somebody ,anybody ,none）
A:Look into the forest There is () moving in the trees.
B:But we can’t see ()
A:()?There must be () wrong with your eyes.
B:() of us has () wrong with our eyes .It’s you
B:I see () walking in the forest .
A:Somebody I think () would like to play in such a place.
B:No ,I think () except you would like to play in it .
A:Can you go () by yourself
B:You bet