问题
Where_____the recorder ?I can not see it anywhere.—–I_____it right here.But now it is gone!
A:did you put,have put
B:have you put, put
C:had you put,was putting
D:were you putting,have put
B:have you put, put
C:had you put,was putting
D:were you putting,have put
正确答案是：
