（1）根据下文Yeah，I was shy years ago.But with the encouragement of my mother，I have changed a lot，so I took part in it.（是的，几年前我很害羞。但是在我妈妈的鼓励下，我改变了很多，所以我参加了。）可知，此处应是说对方以前和别人谈话很害羞，故填：You used to be sky when you talked to others。
（2）根据下文I talked about the great changes in our country.（我谈论了我们国家的巨大变化。）可知，此处是问谈论的内容是什么，故填：What did you talk about。
（3）根据上文How could you do such a good job？（你怎么能做得这么好？）以及下文In order to make it good，I have practiced it hundreds of times.（为了把它练好，我已经练了几百遍了。）可知，此处应是说每天练习演讲，故填：I practiced the speech every day。
（4）根据上文Oh，we are also preparing an activity for National Day these days.（哦，这几天我们也在为国庆节准备活动。）以及下文A big singing competition.（一场大型歌唱比赛。）可知，此处应是问准备了什么活动，故填：What activity are you preparing。
（5）根据下文Yes.I am good at singing and I have prepared a lot for it.（是的。我擅长唱歌，我为此做了很多准备。）可知，此处应是问对方擅长做它吗或者说为它做准备了吗，故填：Are you good at it/Are you getting ready for it。

（1）根据下文Yeah，I was shy years ago.But with the encouragement of my mother，I have changed a lot，so I took part in it.（是的，几年前我很害羞。但是在我妈妈的鼓励下，我改变了很多，所以我参加了。）可知，此处应是说对方以前和别人谈话很害羞，故填：You used to be sky when you talked to others。
（2）根据下文I talked about the great changes in our country.（我谈论了我们国家的巨大变化。）可知，此处是问谈论的内容是什么，故填：What did you talk about。
（3）根据上文How could you do such a good job？（你怎么能做得这么好？）以及下文In order to make it good，I have practiced it hundreds of times.（为了把它练好，我已经练了几百遍了。）可知，此处应是说每天练习演讲，故填：I practiced the speech every day。
（4）根据上文Oh，we are also preparing an activity for National Day these days.（哦，这几天我们也在为国庆节准备活动。）以及下文A big singing competition.（一场大型歌唱比赛。）可知，此处应是问准备了什么活动，故填：What activity are you preparing。
（5）根据下文Yes.I am good at singing and I have prepared a lot for it.（是的。我擅长唱歌，我为此做了很多准备。）可知，此处应是问对方擅长做它吗或者说为它做准备了吗，故填：Are you good at it/Are you getting ready for it。