They spend 3 hours ________ the mistakes.A.onB.on correctingC.to correctD.correcting
网友回答
D解析本题考查学生对“spend…(in) doing”的掌握。我们知道:“spend…on sth”,不能改为:spend… on doing。在英语中,spend… (in) doing sth中的in可以省略。例如:Mother spent 5 yuan in buying this book .母亲花了五元钱买下了这本书。I spent one day going and ing near the river .我在河边来来去去花了一天的时间。