Our school has changed a lot since I left it 为什么,has用原形,而不用过去式,

our school has a tennis Our school has many classes(同义句) our school 后面加has还是have our school has 为什么不用 have our school has all kinds of a Our school has two new school buses.同义句 ( )( )two new school buses ( )our school Our school library has many books.为什么填library而不填our school‘s library? Our school has twenty classes 怎么改为同义句--------- ---------- twenty classes in our school Our school has a big library 改为同义句Our school （ ）（ ）a big library Their school has more students than our school.同义句 （）fewer students in our school than()theirTheir school has more students than our school.同义句 （）fewer students in our school than () their school Our school has a m_ festival every year our school has an english 什么every year. our school has twen ty classes 的同义句 Our school has twenty classes.(改为同意句) Our school has two English < >(speech) every year many a teacher in our school has been aboard Bob has taught in our school since 2000.(同义句) 改错our teacher doesn't has supper school