99. China is the biggest _____ country, while the U.S.A is the biggest ____ country.
Sarah hopes to become a friend of ________ shares her interests.
Don’t worry, sir! All payments ____ be made by the end of the month.
The thought came to him ________ he should immediately leave the hotel.
Today’s paper carries an exciting _______________ of the match.
He found the boy __________ to a tree in front of the house.