Witches(巫婆)are said to _______ magical powers to communicate with gods who are ______ of everything on the earth.
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.
.He has got himself into a dangerous situation ____ he is likely to lose control over the plane.