--Who is the old man talking with your teacher? ---I don’t know. I him before.
To tell you ______ truth, he is not _____ John I know before.
He is _____ honest man and now he is living in Belgium, _____ European country.
Let us suppose that you are in____ position of____ parent. Would you allow your child to do such a thing?
As is known to us all, _________ tiger is in _________ danger of becoming extinct.
When he first went for treatment at the hospital he seemed to be a hopeless _____.