86, It's not good to talk in class.
-> Talking..is bad bad in class.........
87, I didn't have a toothache. They didn't have a toothache.
-> Neither.I and they have toothache.........
89, Mr. Bean couldn't enjoy the meal because of the stomachache.
-> The stomachache prevented..... Mr. Bean from enjoy the meal.....
90, We have to keep our school clean, green and attractive
-> It's our duty....to keep our school clean and attractive.......
( Còn 2 câu dễ kia bn tự lm nhé , 5 sao cho mk nha )

1,Tâm 's collection has over eight hundred stamps
2, Đúng rồi
3,He drives slowlier and carefully than I am
4,It was two weeks from the last trip
5, Dung roi
6, Talking in class is not good
7,I did not have a toothache and neither did they
8,Trung is the tallest