Unit 7 Saving Energy Lesson 1 Listen and Read faucet dripping faucet (n) vßi n­íc bÞ ch¶y nhá giät ? crack (n) vÕt nøt water bill (n) hãa ®¬n tiÒn n­íc plumber (n) thî èng n­íc What do you call a person .who repairs or fits water pipes, faucets, toilets, etc.? enormous (a) to lín, khæng lå = huge, very big