In the reading room, we found her ________ at a desk, with her attention ________ on a book.
The whole class________ the teacher attentively.
We don’t allow ____ in the office. But you are allowed ______ in the open air.
What ____ fun it is to walk alone with ______ full moon hanging in the sky.
All her time ________ experiments, she has no time to see films.
—Amazing! You wear slippers at work.— Don’t you know it’s a fashion?