在下面对话的空白处填入适当的话语（话语可以是句子、短语或词） 使对话完整。
（共10分，每小题2分）
A: Hi! You look unhappy. ___________________ ?
B: I got very bad news from the News Report. It happened in Jiangsu Province.
A: What was it?
B:A crazy man entered a kindergarten and wounded(杀伤) 31 persons, including kids and teachers.
A: ___________ . Something must be done to keep schools safer.
B: Right. ______________ when I grow up. Police can protect them from being hurt.
A: I think that’s a good choice. ____________________ if you want to be a policeman?
B: I am going to study harder and exercise every day to be stronger.
A: Oh, cool enough! I wish your dream come true.
B: _______