8上上 Unit 4完成句子。完成句子。1.你应该在南京换火车。你应该在南京换火车。_ change trains at Nanjing.2.你最好在下雨前回家。你最好在下雨前回家。_ before the rain starts.3.现在你最好别打棒球了。现在你最好别打棒球了。_ baseball now.4.不要把金鱼放在阳光下。不要把金鱼放在阳光下。_ the goldfish in the sun.You shouldYoud better go homeYou had better not playDont puthappyunhappynot happypoliteimpolitenot politeexpensiveinexpensivenot expensiveunhappyimpoliteinexpensiveun-im-in-prefix(前缀前缀)A prefix is a letter or a group of letters that we add to the front of a word to form a new word.we add the pr
