1-5 BCBAB6-10ACAAC11-15 CACBC16-20 CBCAB21-25 DBCBA26-30 BDBAA31-35 DCADB36-40 CGEFB41-45 CADBB46-50ACADC51-55 BDACB56-60 ADCBD61.lost62.energetic63.at64.making65.that /which66.and67.to live68.oldest69.director70.things短文改错71....hate the outdoorshate→hating72.No waysways→way73....sitting in sun ..sun前加the74...made me sicker.sicker→sick75....me to realize去掉o76..the important ofimportant-importance77.It pushes me...pushes-→pushed78...fall in love toto→with79...we plan to ..we→I80..I'll final discoverfinal→finally书面表达One possible version:Dear David.I'm sorry to learn that you're in lowspirits after studying here as a foreign student.In fact.it's common to encounter cultureshock in different language surroundings.Andit's natural to experience difficulty adapting toa new environment.In this situation,I suggest that you takepart in various after-class activities tocomimunicate with more native classmates.Inthis way,you can develop a good command of.our social customs and make more friends.Besides,it's a good idea to get involved inlocal cultural activities which will furtherimprove your language skills.Hope my suggestions will be helpful toyou.Yours,Li Hua