It was on a cold winter evening _____ his father left home and was never back.
I don’t like such a person ____ often lies before your face.
By using ears one can tell the direction ____ a sound comes.
I don’t believe the reason ____ he has given for not coming to the lecture.
In the forest we observed some trees ____the leaves were black with disease.
I often think of the years ____ I worked with the foreigners, ____ has had a great effect on my later life.