What they are ____ about is which comes first: the chicken or the egg?
A、summingD
暂无解析
Wouldhehaveseenyouifyouhadn’t_____tohim?
Thismountainrangehasmanyhigh_____andfertilevalleys.
PartIVTranslation
Itwouldhavebeendifficultforthemtoavoidtheconclusionthatthehorseandmulepopulationwoulddeclinerapidly.(PassageFour)
PartIVTranslation：
Oneofthemwasfrommyschooldays,whenourninthgradeteacher,MissRaber,wouldpickoutwordsfromtheReader’sDigesttotestourvocabulary.(PassageFour)
I’mworriedabouttheappearanceofthefloor.Ineedto_____it.
