. We forgave his bad temper because we knew that his son's illness had put him under great _____.
My uncle lives ____ 105 Huanghe Street. His room is ____ the fifth floor.
My father was disappointed ____ the news.
His teacher was angry ____ him ____ his being late.
She felt disappointed when she found out they had gone swimming____ her.
We left Xi' an _.___ a very hot summer afternoon.