The two top students in Mr. Green’s class competed _____ each other for the highest marks.
Ten years ago the population of our village was ________ that of theirs.
Go and get your coat. It’s ________ you left it.
Three days later, word came _______ our country had sent up another man-made satellite.
________ breaks the law should be punished.
During the war lots of families _______ and a large number of people became homeless.