Bài tập giới từ : (bắt đầu từ câu t2 nhé)
so, but, as, for, in, to, of, at, in, with
Bài tập viết lại câu:
2. I haven't seen my uncle for 2 years .
3. I'll talk to him when i reach my office .
4. Mom suggests donating our old books, toys and clothes to charity .
5. Jane stayed behind after the class because she wanted to talk to the teacher .
6. They've never been to Korea before .
7. When did you join Volunteers in Asia ?
8. We encouraged people to recycle glass, cans and paper .
