1. Each sentence has a mistake find and correct it and explain 
1 hoa has felt much better whe he took the bill ......--)......
2 buenos aires is one of the world capitals that are famous for its busy harbor 
2. Complte the sencond sentence so that it that his the same meaning as the first one use no more than four words
1 i can't come because i have to help my dad with something 
--)if i .............. my dad with anything, i could come
2 ''peter,do you prefer tea or cofee?'' she said
-) she asked peter .................... or coffee
3 no one has answered the quétion yet
-)the questions.............. yet
4 Mr.brown's team has lost the game. he feels disappointed
-)Mr.brown ......... the game feels disappointed