In recent days, 33 persons have been infected with the H7N9 virus, _____9 deaths.
--- Why did you play the music yesterday? --- Because it can old times.
The explorer got a disease in blood for the of fresh vegetables and fruit.
To achieve your goal,yourself and your direction the most important thing.
Scientists ______ thousands of chemicals before they decided on the right one in the end.
What Mr. White said sounds ______ .