Unit7 知识点归纳
1.lucky (adj)幸运的    unlucky (adj)
   luck (n)      luckily(adv)      unluckily (adv)
eg.Wish you good _________(luck).
eg.It is _________ (luck) for him to fall off the tree and hurt his legs.
eg.__________ (luck), he fell off the tree and hurt his legs.
2.superstar  (n)超级巨星
   类似构词法有:supermarket, supergirl, superman
3.dream  (n)梦想     in your dreams 你做梦,你妄想
                (v)梦想, 做梦 dream of sth/doing sth 梦想做某事 
eg.你们借我一千美元吗?   你做梦。
---Can you lend me a thousan