Did you ask your elder brother for help—I needto I managed it by myself

The task is very difficult. I wonder whether we will be able to finish it in the ________ of any other helpers.

McDonald’s restaurants _________ in Crimea(克里米亚) by the companyon Apr 4th, 2014.

The approach ______ the problem is contrary ______ our expectation

______, we should sleep at sleep at least 8 hours a day, but in practice we sleep less than that.