I spent half an hour___my homework.Afinish doing Bto finish doing_英语解答

I spent half an hour___my homework.Afinish doing Bto finish doing Cfinishing to do Dfinishing doing

人气：339 ℃　时间：2019-08-17 19:28:44

解答

spend some time doing sth.花时间做某事.
finish doing sth.完成了某事.
选Dfinishing doing