题目内容：

John ran into the room,with a grin on his face 如何改同意句?

优质解答

John ran into the room,with a grin on his face.1）= John ran into the room,grin on face.注：此句采用独立主格结构做伴随状语.2）= John ran into the room,grinning.注：此句采用现在分词做伴随状语.以上两种...