In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
A、thatA
暂无解析
Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.
Shewasso______thenoisethatshesentthechildrentobed.
Whilecrossingthemountainarea,allthemencarriedgunslestthey______bywildanimals.
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
Mr.Johnson______rathernotinvestthatmoneyinthestockmarket.
