It is uncertain ______ the experiment is worth doing .
| A．where | B．that | C．whether | D．how |
Everybody said it was an ideal marriage; no one had ever known ____ couple．
| A．the happier | B．a happier | C．a happy | D．the happiest |
The young member made several proposals, none of____ considered practical or acceptable．
| A．them | B．which | C．it | D．what |
—How about your conference?
—Pretty successful．It allowed both sides of us to better understand ____ each stood on many issues．
| A．where | B．that | C．what | D．which |
Foreign Minister of China used plain language to make the Chinese foreign policy__ to the whole world at the press meeting last week．
A, get through B．get across
C．get overD．get around
Some members went so wild that they strongly demanded to know why they had been kept____ the true facts until the present stage．
| A．in view of | B．in favor of |
| C．in place of | D．in ignorance of |