摘要： ---Have you solved the problem ? --- Not yet. My teacher it to me.
网址：http://m.1010jiajiao.com/timu_id_2354311[举报]
--- Have you solved your problem?
---I've kept on thinking about that matter ______, but I have no idea yet now.
A．at times B．some time C．at a time D．all the time
查看习题详情和答案>>
1—Have you solved your problem ?
—No, I really don't know______
A. how to do with B. what to do C. what can I do
查看习题详情和答案>>
--- Have you solved your problem?
---I've kept on thinking about that matter ______, but I have no idea yet now.
| A．at times | B．some time | C．at a time | D．all the time |