用if连接下列句子1.We'll go to the Great Wall .It' fine tomorrow.2.I

1.We'll go to the Great Wall if it' fine tomorrow.
2.I'll come here on Sunday if I am free.
3.We'lltravel round the world if we win a lot of money.
4.We'll miss the train if you don't huny.
5.We'll won't go to the seaside if it rains tomorrow