—Imustsaygoodbyetoyou．Ifeelveryupset．—Cheerup! Itwon'tb...
问题详情：—Imustsaygoodbyetoyou．Ifeelveryupset．—Cheerup! Itwon'tbethreemonths wemeetagaininAustralia． A．before B．since C．after...
Havingbadfeelingaboutworld?“Cheerup.”sayssciencewrit...
问题详情： Havingbadfeelingaboutworld?“Cheerup.”sayssciencewriterMattRidley.“Theworldhasneverbeenabetterplacetolivein,anditwillkeepongettingbetterbothforhumansandfornature.” 36 1) ...
cheerup takeachance keepone’sword watchout(for) ...
问题详情： cheerup takeachance keepone’sword watchout(for) ratherthan intimeonthecontrary byaccident bringup nowthat breakout earnone’sliving76.Whatproblem...