从方框中选择合适的单词并用其正确形式填 空, 完成句子。 (astronaut, discover, project, just, reach) 1.Fu Fang was glad to_______ such a wonderful park in the small city. 2.To become a(n)________, you must study hard from now on. 3.These days, Betty and her classmates are busy with the class________. 4.After walking for three hours, we finally_____ the farmhouse. 5.I________heard from Peter. He said he would visit Xi’ an on Friday.