Unit 5 What do they do?同步练习 2一、按要求写单词。1. work(三单)__________ 2. dance(名词)_________3. hard(反义词)_________ 4. policeman(复数)___________5. he (宾格)__________ 6. study(三单)____________7. swim(动名词)__________ 8. can not(缩略形式)____________二、英汉互译。1. 许多学生 ________________ 2. ...