1.You'll fail in the test again UNLESS You work harder.
2.Bears are in danger IF They attack people.
3.They will walk there IF They can't find a bus.
4.What will you do IF You find a panda in danger in Sichuan?
5.You will be late UNLESS You leave immediately.
6.I will call you IF You are free.
7.You will never get anywhere UNLESS You have set your goal.