问题
选择题
—Sam, come downstairs, please. I need your help.
—Sorry,mum. I __ on the phone..[ ]
A. am talking
B. talked
C. was talking
D. have talked
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Sam, come downstairs, please. I need your help.
—Sorry,mum. I __ on the phone..[ ]
A. am talking
B. talked
C. was talking
D. have talked
答案：A