--Hi, Betty. Shall we go swimming this Sunday? --This Sunday? I am sorry, I have a lot of homework ____ this Sunday.
We saw a film yesterday afternoon , _____we had supper in a nearby restaurant.
There comes a time in every man's life_____.
Although he knew little about the large amount of work done in the field, he succeeded_____ other more well-informed experiments failed.
On the third floor there are two rooms, _____ is used as a meeting-room.
--- Are you familiar with the music ? --- Yes. There was a time _____ this kind of music was quite popular.