_______ ambassador who did his best to prevent the war is of _______ benefit to the place.
| A．An; 不填 | B．The; a |
| C．The; 不填 | D．An; a |
-- Can you persuade him out of the foolish idea?
—_______ no point in doing so—he’ll never change his mind.
| A．It is | B．It has | C．There is | D．There has |
____ the old mother’s deeds, all of us couldn’t keep back our tears and began to cry.
| A．Moved by | B．Moving with | C．To be moved by | D．To be moving by |
Knowledge is to one’s mind ______ food is to one’s body.
| A．that | B．where | C．what | D．which |
Generally speaking， ______ according to the directions，the drug has no side effect．
| A．when taking | B．when taken | C．when to take | D．when to be taker |
_____ the bad weather，we enjoyed our holiday.
| A．Despite | B．As a result of | C．Because of | D．Thanks to |