If you miss this chance, it may be years ____ you get another one.
| A．As | B．before | C．since | D．after |
In the market I found the prices of vegetables were ______ high.
| A．very too | B．fairly too | C．quite much | D．rather too |
I stood there patiently until he ________ his work.
| A．has finished | B．would finish | C．had finished | D．finishes |
It will be a long time ______- he returns.
| A．until | B．before | C．when | D．after |
_________ of us knows how many of them have been killed in that accident.
| A．None | B．No one | C．Not all | D．Not a one |
The natives could live for thousand years in the desert land _______ a foreigner could starve.
| A．on which | B．which | C．in that | D．where |