Pas simple ( QKD ) :
Ex7 : Mỗi câu sau đây có một lỗi sai. Tìm và sửa chúng :
1. At present , I'm work as a teacher in a secondary school and I plan to work here for 2 or 3 years before to Australia to study .
2. Fire are one of the most important inventiobs in history .
3. Beyonces was now a very well-known all over the world and she has released several albums in her singing career .
1 I'm -> I
2 are -> is
3 was -> has been
Ex7 : Mỗi câu sau đây có một lỗi sai. Tìm và sửa chúng :
1. At present , I'm work => working as a teacher in a secondary school and I plan to work here for 2 or 3 years before to Australia to study .
2. Fire are => is one of the most important inventiobs in history .
3. Beyonces was => is now a very well-known all over the world and she has released several albums in her singing career .