完形填空

　　A school boy wants to ask for two days off, but he has only learned the phrase(短语)“have a day off”．He thinks 　　1　　 and then he has an 　　2　　．

　　He comes to the teacher’s office and says, “My mother is ill．May I have a day off, sir?” “Of course, you can, ” replies the teacher at once．

　　The boy walks away．As soon 　　3　　 he is out of the room, he turns back and knocks 　　4　　 the teacher’s door 　　5　　 “May I have a day off again?” he asks．

　　The teacher is very 　　6　　．“Didn’t you say it 　　7　　?”

　　“Yes, sir．But I can’t be here the day after tomorrow, either．”

　　The teacher 　　8　　 him and cannot help laughing．He says 　　9　　 a smile, “Why 　　10　　 you say ‘May I have two days off?’”