1．重点单词：announce，spaghetti，hoax，discovery，lady，cancel，officer
2．重点短语：sell out，lose weight，by the end of，end up，get married
3．重点句式：
Many people play all kinds of tricks and jokes on each other.
Many people ran to their local supermarkets to buy as much as spaghetti as they could.
He asked her to marry him.
