电子课本网 第71页

第71页

信息发布者:
Half a year before graduating from college.
More than twenty people.
He felt greatly surprised.
The author's son's answer was "Thank you." while the 
others said “Goodbye.”.
The interview was very successful and it found out the 
most polite candidate.(开放性题目,答案不唯一,
符合情理即可)