--Was his father very strict with him when he was at school?---Yes.He had never praised him ___ he became one of the top students in his grade.
| A．after | B．unless | C．until | D．when |
The tiger, once a ____ animal to humans, is now ____of disappearing on the earth.
| A．dangerous, danger | B．in danger, in danger |
| C．dangerous, in danger | D．danger, in danger |
That hotel is always full because it offers a friendly____and personal service.
| A．adventure | B．award | C．atmosphere | D．appearance |
---Did you watch the programme I’m a singer on Friday night? It was wonderful.
---I wish I had, but I _______for the mid-term examination.
| A．was preparing | B．prepared | C．had prepared | D．would prepare |
It remains a question_______we can finish the project in such a short time.
| A．what | B．that | C．how | D．when |
--- I did not see your elder brother at the lecture yesterday.
---You ______him, since he went to see Chinese Zodiac---Jackie Chan’s 100th movie.
| A．mustn’t have seen | B．couldn’t have seen |
| C．shouldn’t have seen | D．needn’t have seen |