Where is my backpack ? —It’sthe floor . [ ]
Another drug that has helped improve people’s health is penicillin, _________ is _________ by many _________ one of the most important medicines.
______ have you been to Thailand since 2004?—Four times.[ ]
Many people like that poor boy, because he is _____ honest boy.
______ the money I bought two cakes.[ ]