.If you’re looking for a________, you can make it when it is on sale.

 In China, peach is a ______of long life and therefore makes an ideal birthday present. 

I keep medicines on the top shelf, out of the children’s________.

. Probability is the mathematical study of the _____ of an event’s occurrence.

 His name is on the _______ of my tongue, but I just couldn’t remember it.