She devoted herself _______ to her research and it earned her a good reputation in her field. 

She devoted herself __________ to her research and it earned her a good reputation in her field. 

After searching for several hours, the boy was _____ too pleased to find his lost mobile phone.

In the bubble years, lending standards slipped ______,allowing   many people to put far too much of their income into paying for their housing.

Professor Lee failed many times but he ________found a good way to solve the problem.