It is said that ____ wool produced in Australia is of ____ high quality.
| A．/ ; / | B．the ; / | C．the ; a | D．the ; the |
Although medical science________ control over several dangerous diseases, what worries us is that some of them are returning.
| A．achieved | B．has achieved |
| C．will achieve | D．had achieved |
George Gould, a friend of Carnarvon’s, went to Egypt after hearing of his strange death and visited the tomb, only ______a high fever the next day.
| A．catching | B．to catch | C．caught | D．catch |
Yang Liwei was a student at this flight school from 1983 to 1987, he studied very hard and was made chairman of the Students’ Union.
| A．during which time | B．for which time |
| C．during whose time | D．by that time |
A short, thin woman, past middle age, visited the manager and applied for the job．
| A．highly | B．much | C．too | D．well |
The next day, the group of villagers had not gone very farthey entered a very narrow passage betweentwo mountains．
| A．when | B．while | C．until | D．after |