Homing pigeon is useful as a ______ carrier because when taken from home, it will return atthe first opportunity.
A、meaningC
暂无解析
While crossing the mountain area, all the men carried guns lest they ______ by wild animals.
I was shocked by the number of people who seemed to have nothing better to do with their timethan ______ to know fish better.
Mr.Johnson______rathernotinvestthatmoneyinthestockmarket.
Mrs. Smith locked both the front and the back doors before she went to bed______thatsomeone might steal into the house at night.
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
