Unit 4 How do you make a banana milk shake?词汇shake(pt.)______________2.final(adj.)___________(adv.) 3. dig(v.)____________(pt.) 4.sandwich(n.)_____________(pl.)5.tradition(n.)___________(adj.)6.travel(n.)_______(n.)7. celebrate(v.)____________(n.) 8. mix(v.)_________(pl.) 9. fill(v.)_________(adj.)10. serve(v.)_____________(n.)_____________(n.) 11. salt(n.)____________(adj.)短语打开搅拌机______________________切香蕉________________________..