1.Too much a       is bad for you,but a glass of wine with dinner is probably fine. 
答案alcohol
2.His friend asked him to make a speech at a wedding r      . 
答案reception
3.He was forced to r       early because of his poor health. 
答案retire
4.The monthly s       that he earns is not enough for his own spending. 
答案salary
5.His letter of c        gives me a great deal of pleasure. 
答案congratulation
6.A t       is someone who is between thirteen and nineteen years old. 
答案teenager