In this experiment, the famous professor showed three different____ to the study of physics．
| A．means | B．methods | C．ways | D．approaches |
Recently I bought an ancient Chinese vase, _______ was very reasonable.
| A．which price | B．the price of which |
| C．its price | D．the price of whose |
You could see the runners very well from ______ we stood.
| A．which | B．where |
| C．that | D．when |
All of the flowers now raised here have developed from those _____ in the forest.
| A．once they grew | B．they grew once |
| C．that once grew | D．once grew |
The modern history of Italy dates from 1860, ______ the country became united.
| A．when | B．if |
| C．since | D．until |
We will be shown around the city: schools, museums, and some other places, _______ other visitors seldom go.
| A．what | B．which |
| C．where | D．when |