elearn site

1. If it doesn′t rain, they will go for a picnic.
Unless . 

2. If I had enough money, I could buy a new fridge.
I don′t have enough money, . 

3. It′s a pity I don′t know many people here.
I wish . 

4. Throw a stone into water and it sinks. (if)
. 

5. I can meet you if you arrive before eleven.
So long .