She devoted herself ______ to her research and it earned her a good reputation in her field.
.With no one to ______ in such a frightening situation, she felt very helpless.
.Preparations are being made for the Olympic Games __________in Beijing in 2008.
.It was_________Asimov was eleven years old________ his talent for writing became obvious.
.I was very_______ to find that the cinema was not accessible to the elderly or people in wheelchairs.
.The doctor insisted that only by this ______ could the patient survive in the operation.