1. by the time you finish your twelfth grade this summer , i (graduate)___ from my university
2. i could tell from the (frighten)__look on her face that something terible (happen)___
3. he resented (ask)__(wait)___. he expected the manager to see him at once
4. the students requested that the test (postpone)___ but the instructor decided against a postponemet
5. once (bite) ______, twice shy.
6. it was our fault to keep mary waiting so long. we ( inform) _____her in advance.
7. were I (know)______the truth, I would tell you about it.
8. without your assistance, we ( not be)______able to complete our last project in ỏu allotted time.
1. will have graduated
2. frightened/ had happened
3. being asked to wait (sau resent + Ving, câu bị động)
4. postpone/ should postpone (sau request that + bare hoặc should bare)
5. bitten (idiom bạn nhé, nghĩa là: bị 1 lần tởn tới già ấy)
6. should have informed
7. to know
8. wouldn't have been (if loại 3 bạn nhé)