The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.
| A．found out | B．pointed out | C．ruled out | D．carried out |
He was very angry and I can still remember the way _____ he spoke to me.
| A．how | B．that | C．what | D．which |
What have you got _____ will help a cold?
| A．what | B．that | C．it | D．who |
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 |
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 |