Not having found __________,he had to go home with empty hands.
-- Is it necessary that he ____ to London but to New York?-- I think so, but the problem is ____ he has refused to.
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.