She sat at her desk,with her eyes ________ on the book,________ in its plot.
Everyone had a form in his hand, but no one knew which office____.
Actually, works hard can be they want to be, whether it is a pilot, an engineer or a manager.
―Which of the two poems do you like better?―____ shorter one, of course. I think it’s really ____ most interesting one.
There was only one ____ of transportation in this mountainous area five years ago.
Thank you for all your hard work last week. I don’t think we it without you.