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t 3 hours to decorate it.We spent almost 3 hours (in) decorating it.典例探究 Christmas tree cost me 200 yuan. spent 200 yuan on the Christmas tree. took us almost 3 hours to decorate it. spent almost 3 hours (in) decorating it.那棵圣誕樹花了我 200元。裝飾它花了我們近三個小時?!癯R姶钆洌?sb spend some time/money on sth sb spend some time/money (in) doing sthWe spent almost 3 hour