—Not getting that job was a big let-down.  —Don’t worry. Something better will ____. 

Listen! Do you hear someone _________ for help?

I know that smoking is a bad habit, but I can’t ______ myself of the feeling that I need to smoke.

It suddenly ______ to the detective that the professor was probably murdered by his own wife .

Keep on trying. Never _________. I am sure you will succeed sooner or later.