How much _____ this T-shirt?  _____ seven dollars.

根据句意及首字母提示完成单词。
1.  —How much is this box?
      —It's seven d__________.
2. —What c__________ is your shirt?
     —It's white, but your shirt is black.
3.  This ruler is too short. I need a l__________ one.
4.  —Do you s__________ watches?
     —Yes, we have lots of new watches.
5.  —What's the p__________ of the coat?
      —It's 50 dollars.
6.  The green shorts are on s__________ for $ 25.
7.  There are t__________ months in a year.
8.  Trousers are called (被叫做) p__________ in American English.

从括号中选出合适的词完成句子。