viết lại câu
1 ) it /easy/find/book/either/author/title
2) your father/watch/TV/living room/moment?
3)father/have/stomachache/and pain/chest
4)Mr Lam/now wear/face mask/protect him/breathe/dust
5) last semester/my class/there be/total/67 days/absence/due/sickness
m.n giúp mk với ,làm ơn