.Have you considered the students’ request _________ the school library _______ more books on popular science?
—Why are those people gathering in the middle of the street? —I don’t know. There ________ be an accident.
You may ________ dishonesty for a while, but you’ll be found out sooner or later.
______ returning home, she found a note _________ to the door, reading: “Call in later.”
There is a big garden in the neighborhood, _______ actually has become a good place for people to meet and communicate.
—I still haven’t decided whether to go or not. —But your time is running out. Please make up your mind ______ it is too late.