试题详情

He was so_____ on his work that he didn’t hear his wife come in（ ）。

He was so ________ on his work that he didn’t hear her come in.

was his dream of many years that he held in his hand. It was as precious as a child. Its birth was

was his dream of many years that he held in his hand. It was as precious as a child. Its birth was

was his dream of many years that he held in his hand. It was as precious as a child. Its birth was