下列词语中，加点字的读音完全相同的一组是

___________, I have never seen anyone who’s as wise as John.

Car prices have been going down sharply in the last 20 years.—It’s not surprising because the law of market ________ the price of a product.

s said ________ abroad, but I don’t know whatcountry he studied in

Don’t be crazy about computer games, ________ you will fall behind others in study.