A：Morning，Li Ming!Did you watch the news on CCTV yesterday evening？

B：No，I didn't．（51） 　 　？

A：Yes，there was．Chairman Xi came to Heilongjiang．

B：Really？When did he come to Heilongjiang？

A：A few days ago．

B：（52） 　 　？

A：He came here because our country wants to promote the economy of the Northeast Industry Base（振兴东北工业基地）．

B：I'm so excited to hear the news．Being a member of Heilongjiang，I think we should do what we can to make our hometown better and better．

A：（53） 　 　．I'm going to be an engineer when I grow up．

B：（54） 　 　？

A：I'm going to study hard to get more knowledge．

B：（55） 　 　after you graduate from the university？

A：I'm going to work in our hometown．

B：I hope your dream can come true．