Chương 36. Bài Tập (tr.510)
Đáp ánTrang 510
IV.
- was watching - was reading
- get
- have finished/ finish
- had graduated/ graduated
- left
- have been - broke
- had never heard
- was getting
- will have
- left
- went
- go
- was making
- hasn't been - broke
- will have already left
- had already opened
- see
- live
- saw
- has gone
- was
- had gone
- changes
- will leave
- had seemed
