Whilecrossingthemountainarea,allthemencarriedgunslestthey______bywildanimals.
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In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Insummer,shewouldsitinthegardenenjoyingthefreshairandthesmellofthethingsshe______.
______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.
JeansaresohotthesedaysthatbignamestarsappearonTVadvertisingfortheir______brands.