tìm lỗi sai;
1. She is always on time for the school ⇒ She is always on time at the school
2. She and he goes to work on foot ⇒ She and he go to work on foot
3. Ngoc is tall than her sister ⇒ Ngoc is taller than her sister.
4. Let’s to go shopping! ⇒ go shopping!
5. They like watch T.V ⇒ watching T.V.