核心词汇
1．The old man has retired and lives on his p____________.
2．After several days’ negotiations，the two parties reached a c____________ on this issue.
3．Unfortunately there has been a sharp d____________ in profits this year.
4．When he was a student，his father gave him a monthly a____________ towards his expense.
5．They worked hard day and night to finish the project ahead of s____________.
