Tiếng anh lớp 4 Unit 10: Where were you yesterday?
Vocabulary: yesterday, at home, at the zoo, at school, on the beach, in the school library, listen, wash, water, dinner, favourite, Internet, playground.
Sentence Patterns: Where were you yesterday? - I was ...
What did you do yesterday? - I + verb_ed(cộng động từ thêm ed).