46．Who's that speaking？ 　　．

47．How is it going？ 　　．

48．Why don't you watch English movies to improve your spoken English？ 　　．

49．Your car is nice! 　　．

50．Would you like to help me feed my pet dog for a few days？ 　　．

A．Just so﹣so B．That sounds like a fun way． C．It's my pleasure．

D．Oh，thank you． E．This is David． F．With pleasure．