What I'm telling you is strictly _____. Do not let anyone know of it.
| A．secretive | B．special | C．individual | D．confidential |
To his disappointment, not a single gift _____ on his birthday．
| A．he received | B．had he received |
| C．did he receive | D．received he |
Most Australians actually don’t seem to do much sport．_____, Australia is generally considered to be a great sporting nation．
| A．Though | B．Still | C．Otherwise | D．Thus |
Professor Smith will come here to give a speech．All the preparations must be _____ before 5 o’clock．
| A．in time | B．in sight | C．in place | D．in control |
---Is everything settled?
---Not yet．_____ I approached the problem, I couldn’t find a solution．
| A．Whatever | B．However | C．Whenever | D．Wherever |
The retired professor, _____ in his new book in the past three years, hasn’t realized the decline in his health．
| A．involved | B．being involved |
| C．having involved | D．to be involved |