根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
A: Hi, Sally. How is it going these days ?
B: (   )46.__________.Thank you ,David .But I’m very busy .
A: Why are you so busy ?(   ) 47. ___________
B: I’m studying for the coming English exam. You know, I’m not good at it. But your English is so good .(   )48.____________
A: Skills? To tell you the truth ,I have no skills. I just read English every day, watch English movies, listen to English songs and try to talk with my friends in English.
B: (   ) 49.____________. You mean I should read more, listen more and speak more, right ?
A: Yes. I think if you learn English like this, you can learn it very well.
B: Thank you so much .
A: You are welcome. (   ) 50.____________
Can you tell me about some skills ?
Not bad.
I hope you can do well in the English exam.
What are you doing ?
But I don’t like English .
I know now .