The scientists have made _______ possible for us to communicate with each other more easily.
More than one student _________ read the novels, which _________ written by David.
The boy, rather than his friends, _________ for the accident.
A poet and artist ____ coming to speak to us about Chinese literature and painting tomorrow afternoon.
The father as well as his three children ____ skating on the frozen river every Sunday afternoon in winter.
We live day by day,but in the great things the time of days and weeks ____ so small that a day is unimportant.