He devoted himself __________ to his research and got many achievements.
It is well known that Madam Curie won two Nobel Prizes for her scientific ______.
—Would you like to watch the basketball match with me this evening? —______. I like basketball very much.
Missing the train means _____ for another two hours.
Most students find _____ hard to learn maths well.
In order to save money, Jane gets up at ______dawn every day and rides her bike to the factory in ______ distance.