Trong mỗi câu có một lỗi sai

1: Trong mỗi câu có một lỗi sai. Tìm và sửa chúng :
1. Are you do homework right now ?
2. The children play foolball in the back yard at the moment .
3. What does your elder sister doing ?
4. Look! Those people are fight with each other.
5. Noah is tries very hard for the upcoming exam.
2 : Thêm -ing 
1. camp..............
2. swim...............
3. travel....................
4. walk .................
5. have...............
6. write..............
7. cook............
8.shop.................
- Exercise3 : Hoàn thành các câu sau ;
1. His dad and brother .............. ( cycle ) to the shops.
2. We ................ ( not travel ) in Japan.
3. I ............... ( sunbather ) on the beach . 
4. She ........... ( not watch ) TV .
5. They ........... ( not swim ) in the sea.
6. Sue ............... ( stay ) at home today.