Bài tập 2: Điền từ thích hợp vào chỗ trống.
Bài tập 2:
- You have received my letter, haven't You?
- She wasn't very angry, was she?
- You can't translate this text without a dictionary, can you?
- There is no class today, isn't there?
- His father plays chess very well, doesn't he?