She has been in doctors describe as a vegetative(植物的) state for six years.
| A．what | B．which | C．that | D．how |
The road conditions there turned out to be very good，________ was more than we could expect.
| A．it | B．what |
| C．which | D．that |
________ I explained on the phone，your request will be considered at the next meeting.
| A．When | B．After |
| C．As | D．Which |
Today，we’ll discuss a number of cases ________ beginners of learning English fail to use the language properly.
| A．which | B．as |
| C．why | D．where |
The settlement is home to nearly 1,000 people，many of ________ left their village homes for a better life in the city.
| A．whom | B．which |
| C．them | D．those |
Darwin counted 225 flowering plants，________he collected and brought home 193.
| A．that | B．in that |
| C．of which | D．all of which |