下面每句话中都有一个错误,请把它找出来并改正.

英语外教说：1.Your mother needn't waters the flowers every day .Your mother doesn't need to water the flowers everyday.2.Ben has a fever .He better see the doctor .Ben has a fever.He better sees a doctor.3.My room is tidy than yours .My room is tidier than yours.4.Please give they some apples .Please give them some apples.5.ours library has more than 5000 books .Our library has more than 5000 books.6.She feels a cold .She has to take some medicine .She caught cold（感冒了 或 She's caught a cold,She's got a cold 都可以）.She has to take some medicine.7.I don't like pizza.My brother doesn't like it ,too.I don't like pizza.My brother doesn't like it,too.或者:I don't like pizza.Neither does my brother.8.Everyone in our class like speaking English .Everyone in our class likes speaking English.切记‘Every~’后面的动词为单数.