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

I sincerely regret that I have hurt your feelings, but I didn’t do it ______.

The Internet has brought _____ big changes in the way we work．

The island is__________attrative in spring and autumn because of the pleasant weather in both seasons.

—I’ve heard a hurricane had struck your hometown. —Yes, it was terrible, but ____, no one was killed.