八年级暑假作业英语答案练习一present;since;doctor;pollution;open;D;A;B;A;C;B;B;AD;B;was taught;married;swim;came;have been;have lived;was.练习二changes;seen;in fact; marry; southern; had fun; wont until; have been married; has kept; different fromA A D B D A B B练习三possible;service;althgough;attraction;present;have;since;How many;When buy;Have carried;been;hasnt;sad;去掉but;yet;next to;has been opened;any longer;how to get;Its to read;It is came;but came;have known;are fond of练习四CBACCB；not arriv
