【正文】
B. Yes , Mr Green . C. Good morning , class . D. Stand up . E. Thank you , Mr Green . F. Sit down , please . G. Good morning , Mr Green . ___________________________________________ 九.改錯(cuò)。 ( ) 1.— Look ____________ the blackboard, Mike . — Yes , Miss Li . A. at B. on C. / ( ) 2. — What’s this ? — It’s _____________ . A. door B. a door C. an door ( ) 3.— Please close the window . — ___________ . A. Thank you B. Yes , Mr Green C. I’m sorry ( ) 4. — May I e in ? — ____________ . A. Yes B . Come C. Sit D. sorry E. close F. up A. Sit down , please B. Come in , please C. OK ( ) 5. — Don’t listen __________ Sam , Bobby . — OK . A. / B. for C. to ( ) 6.— Listen to _________ , pl