deep in thought 和 in deep thought

deep in thought 和 in deep thought in deep thought 还是in deep thoughts deep in thought和deeply in thought哪个对 be deep in thought是什么意思 deep in thought中文的意思 I was deep in thought ________ __________ ________ _________ on the portrait,mother was deep in thought. Absorbed in deep thought,he didn't hear the sound. ( )on the portrait,Mother was deep in thought When I came in,I saw him ___ in a chair deep in thought When I came in,I saw him ___in a chair deep in thought.选项有A. When i came in ,I saw him _______in a chair deep in thought