In 1900, the energy derived from burning petroleum was only four percent ______ of coal.
A
暂无解析
JeansaresohotthesedaysthatbignamestarsappearonTVadvertisingfortheir______brands.
Whilecrossingthemountainarea,allthemencarriedgunslestthey______bywildanimals.
Ifyou’resittingaroundalonelycampfireatnight,thehowlofawolfcansoundpretty______.
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.