My friend Roy died last year .He left me his CD player and h
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every week容易让人想到是一般现在时的时间标志.但是这道题,一开始就给出了大环境,My friend Roy died last year,所以后面介绍的关于ROY的动作都只能是过去范畴的.就算这里不是every week,换成every day,every month,或者在前面加个usually,often,somtimes(一般现在时的时间标志)之类的,依然要用bought.

这里的bought还可换成used to buy(过去常常买)