The teacher suggested _____ that we should make the most of time to study English well.
Traditionally, college students hold a graduation ceremony to encourage themselves before they ______ on their life journey.(2013 .安徽)
Walking alone in the dark, the boy whistled to ______ his courage.(2012 .湖北)
--- OK, I've had enough of it. I give up. --- You can't ______ your responsibilities. (2012 .江苏)
News reports say negotiations between the two companies with no agreement reached, so that no new product will appear within the following two years.
--- What do you think of Andrew? --- There are some things that are not easy to ,and his coldness is one.