It is the photo we took years ago __________ we were at university_________ often calls up my memories of my college life.
He is one of the students, who, I’m sure, always do _____best.
In face ___is a hard job for the police to keep order in an important football match.
---- Susan, go and join your sister cleaning the yard. ---- Why ____? John is sitting there doing nothing.
Both teams were in hard training, ____was willing to lose the game.
Iraq promised in time to destroy guided missiles(导弹)the following ___day.