Complete the following dialogue. Mr. Smith: Tom, why didn't you come yesterday? Tom: _________________________________ I stayed at home to take care of her. Mr. Smith: ____________________________ I just called your mother and she told me that were out yesterday. Tell me, where have you been? Tom: ___________________________. I promise you I'll never do that again. Mr . Smith : OK , but don't let me down . __________________________ Tom : Yes . _____________________________ A. Do I have your word? B. My mother is ill. C . That's probably not the case , Tom D. You'll see I'll keep my promise. E. Sorry, Mr. Smith. I was in the net bar yesterday .