1.Itwasthecustomoffamilygroupstoseparateandthengatheragainatdifferentsitesforreunionsastheyfollowedtheanimalherdsacrossthegrassland.由于他们要跟着兽群在草原上四处走,家庭成员先分散开,然后在不同的的地方相聚,这是他们的一个习俗。2.Ifonlyitcouldbejustlikelastyear!要是能像去年那样就好了!3.Ifonlyshehadlookedaheadandplannedbetter!她要是早有预见,计划得更好些就好了!IfonlyIcouldfly!Haveyoulookedaheadifonly要是,只要是,往往引起虚拟语气,用感叹句。用过去完成时表示对过去的虚拟,用一般过去时表示对现在的虚拟。我要是能飞就好了!___________________________lookahead向前看,做未来的打算你是否想过五年后你要做些什么?______________________towhatyou’llbedoinginfiveyears’time?4.Lalaacceleratedherwalkupthepathtothecavesfearingthattheremightbewildanimalslyinginwaitforher.拉拉沿着回洞穴的路走着,她的步伐加快了,担心会有野兽在等着她。acceleratevi./vt.加速,促进她加快车速超过了前面的公共汽车。She__________________andpassedthebusinfront.acceleratedhercar5.Abruptlyshesatdown,onlytobescoopedupbyherlaughing,shoutingsister,Luna.Lalasmilewithrelief.突然间她坐了下去,但又被她那又笑又叫的妹妹卢娜一把搂了起来.拉拉宽慰地笑了。6.Hehadalarge,longface,withstronglypronouncedeyebrowsandcheekbones.他脸盘很大、很长,浓眉大眼,颧骨突出。7.Hechoseonelargestoneandbegantohitoneofthescrapershardontheedgethatneededsharpening.他选了一个大块石头,在一个需要磨利的石刮子边沿上敲打起来。8.Lala’sspiritsrose.拉拉情绪高涨起来。affectionateadj.充满深情的;有爱心的他给她写了一封充满深情的信。Hewroteher___________________.她挚爱她的母亲。______________________towardshermother.anaffectionateletterSheisveryaffectionate