同步随堂测试 Unit 1满分120分，限时100分钟，得分_______第二部分 英语知识运用Ⅰ。 根据句意和汉语或首字母提示补全单词(每小题1分，共10分)21。 They hope the _______ ______ （友谊) between their countries will last long。 22. At last he _______ (认识到） that he made a lot of mistakes. 23。 Chinese people should not be afraid of any _______ （挑战) outside。 24。 -How long has your brother been a_______（军人)?
—For three years.25. I really don’t know how to _______
