随着经济建设的发展，我国的民主政治建设也加紧进行，我国第一部社会主义类型宪法诞生，制定这一法律文件的会议是（    ）

Bob：Hi，Ann．What are you doing?

Ann：____

Bob：____

Ann：I need a pair of scissors and some glue．

Bob：Oh，Mother's Day is coming．____

Ann：Yes．I think she will be very happy．

Bob：Good girl!____

Ann：Yes．But I don't have any crayons．____

Bob：Sure．Here you are．

Ann：Thank you，Bob．