can you do this ? can you manage it ? can you finish it ? 更多英语学习问题，英语教练互动课程中都有老师解答
第3个回答 2013-11-29
can you?
第4个回答 2013-11-29
Can you ?
第5个回答 2013-11-29
can you do sth...? Are you capable of doing sth? Do you feel capable of doing sth? Are you able to do sth? Do you feel able to do sth? Do you have the ability of doing sth?