The reason _____ he was late for school was _____ he had to send his mother to a hospital.
---I am going to travel to English.Would you consider telling me about your experiences there? ---_____.Let’s discuss it over drink.
What ______ public is concerned about is whether medical workers and scientists will be able to find_____cure for this new disease in a short time.
Having ended the major combat (主战), President Bush_____ rebuilding Iraq.
_____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
_____ I toured Zhang Jiajie, I was deeply impressed with its beautiful scenery.