Thereistheappreciationofthesalienthistoricaltruth________theagingofadvancedsocietieshasbeenasuddenchange
Heblamedhispoorperformance_____jetlag.
Ifyou’resittingaroundalonelycampfireatnight,thehowlofawolfcansoundpretty______.
重写句子：Ihavecheckedmydocumentsseveraltimes.Istillcan’findttheproblem.(compoundsentence)
Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
