When I was at college , I _____ two foreign languages but I _____ most now ..A. learnt; had forgotten B. learnt ; have forgotten C. have learnt ; forgot D have learnt ; have forgotten
The manager promised to keep me _____ of how our business was going on.
–Who are those people with the banners (标语)? –A group _____ itself the league for peace.
His poor _____ English prevented him _____.
_____ as a candidate for the post of school principal, one must have at least ten years of teaching experience.
Technology has made the delivery of information less difficult, thus _____ information available to more people.