He had been so absorbed __________ watching the carpassing by that he didn't notice his friends __________.
I found her sitting in the corner, reading _____ newspaper, with _____ in her eyes.
In this factory, suggestions often have to wait for months before they are fully _____.
After a long walk, they______ pass over the mountain.
—I hear Mike refused to tell the truth and was taken away by the police. ---Where did you ____?
—Have Mike and Tina sold out all of the English storybooks? ---Yes,completely.____ is left.