The top leaders of the two countries are holding talks in a friendly ________.
She was so angry and spoke so fast that none of us understood ______ he said meant.
What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
The girl wearing a pair of dark glasses comes from a city in South China, ______ is evident from her accent.
It was not until I was injured in a car accident ______ the real American society.
The old lady who caught a bad cold complained that the doctor was ______ too much for the treatment given to her.