We are not ready to go into production yet, for the new switch mechanism isn’t fully ______.
Towards ________ evening, ________ heavy rain began to fall.
He left ________any of his friends _________ him _________.
Our school library can all kinds of good books the students.
A good storyteller must be able to _____ his listeners’ attention _____ he reaches the end of the story.
—Lost and Found Department.—I lost my suitcase this morning. I wonder if it _____.