If we _________ the earth, we must take action before it is too late.
It is really _______ useful dictionary and _______ dictionary every one of us needs.
Jim is _______ brave boy and _______ boy never fearing anything.
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
“Have you seen _______ new bike? I put it here just now.” “Is it _______ white one? A boy has ridden it away.”
“Have you seen _____ pen? I left it here this morning.” “Is it _____ black one? I found it in the corner.”