I won a lot of money by betting on that horse but it was simply a case of .............  luck

He..............off at me again simply because I had forgotten to lock the back door after I came home. 

 I can't ................to understand why anyone would want to be cruel to animals. 

 I read the ..............  of that book but I couldn't possibly read the whole story.

 We .............off early on the first day of summer so that we could see the sun rise.

My car very rarely ..........  first time when the weather is really cold.