【单选题】—Where's Mary now Do you know
— No, but I heard ______ in her room a few minutes ago.
A．her singing
B．her sing
C．she was singing
【单选题】—Where's Mary now Do you know
— No, but I heard ______ in her room a few minutes ago.
A．her singing
B．her sing
C．she was singing
发布评论 查看全部评论