选择适当的词,用适当形式完成句子

选择适当的词,用适当形式完成句子make discover spell potato steal lucky .1.who was the _____ of america,do you know?2,the farmers used to plant ___in the field.3.the man over there was very unhappy because his money____on the bus,4.a report on "bird flu"_____ by the doctor yesterday .we learned a lot from it.5._____ ,i missed the chance to visit australia,so i have to wait for another year,6.All the words should ____correctly ,or you may fail in the exam.