第2个回答 2012-08-30
over 副词,结束,用法是:
sth is over (be有各种形式):。。。完了、结束了,一般后面不跟宾语。
如,The match is over.
比赛结束了。
Jim has been over his homework 最好改为:
"Jim‘s homework has been over",and he is free now
=Jim has finished doing his homework already. He is free now
希望不要介意挑刺,祝您进步:)本回答被提问者采纳