1. Phong doesn't have enough money so he can't travel abroad.
If……………………………………………………………………………...…………..……
2. I don't drive too close to the animals on safari. They don't get scared.
If……………………………………………….………………………...…………..…………
3. Tom doesn't have a passport. He can't travel abroad.
If……………………………………………………………………………………..……...……
4. I didn't buy it because I didn't have enough money.
I ………………………………………………………………..…………………………………
5. Tourists throw litter in the river. The water is polluted.
If………………………………………………………………………………………..……...……
6. I can't swim, so I'm not going scuba - diving with you.
If…………………………………………………………………………………………..……...……
7. There was a test yesterday. I didn't know that, so I didn't study for it.
If……………………………………………………………………………………………..……...……
8. These students do not work hard. They can't pass the exam.
If……………………………………………………………………………………………..……...……
9. If you are not careful, you will cut yourself with that knife.
Unless……………………………………………………………………………………………………
10. If we had more rain, our crops would be better.
Unless………………………………………………………………………………………………………….