I stood in __________, wondering what sort of new game he was about to teach us. (anticipate/anticipation/anticipatory)
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Serving is ________ to your community, but you get a lot out of volunteering, as well. (benefit/beneficial/benefited)
But all these medications do is dull the brain's ________ of pain. (perception/perceive/perceptive)
Notice what parts of your body are tense, and ________ try to relax them. (conscious/consciousness/consciously)
I have already been to the India and Russia.(改为否定句)