expended后接那哪个介词(
expended后接那哪个介词 -
expended是形容词“花费的”,或动词expend“花费”的过去分词;expend本身后面不加介词,expend energy,expend time,expend money
expended是形容词“花费的”,或动词expend“花费”的过去分词;expend本身后面不加介词,expend energy,expend time,expend money