______ is a best-known secret in success that get ready in much of our life and you may make the most of the opportunity．

(2013·江西重点中学二模)The cultural background of China is totally different from ________ of the  US.

--- I don’t know whether I should go abroad or not, Mum．--- I leave_______ to your own judgment whether you should do it．

When you are speaking on the phone, you must convey the impression that this is an important conversation to you, ______ you are treating with great significance. 

—What do you think of the price of the computers at this store?—They are at least equal in price to, if not cheaper than, _____ at any other store.