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
With the final exams coming, Mark, the top student in our class, is not worried about Chinese, and _________ English．
A．still more B．at least
C．least of all D．better than
It puzzles the scientists _____ some mammals produce their young _____ others lay eggs．
A．that; while B．what; while
C．that; as D．what; as
