The Olympic Games, _______ in 776 B.C., did not include women players until 1912. A. first playing B. to be first played C. first played D. to be first playing
New medicines and instruments ______ every day to extend life.
A red sky in the morning ______ to be a sign of bad weather.
Hundreds of jobs _______ if the factory closes.
“Look! Everything here is under construction.” “What is the small building that ______for?”
He kept a little notebook, in which ______ the names and addresses of his friends.