Use either IF or UNLESS :
1.___ Fatima works hard, she won't get a promotion.
2.___ you need me, just give me a call, and I'll be there in no time.
3.He'll be sent to jail ___ he's caught in the act.
4.He shouldn't drive ___ he doesn't have a driver's license.
5.Just let it go ___ you don't want to be involved in any argument.
6.I'll go to the beach with you ___ it rains this weekend.
7.___ she does well in the interview, she won't be accepted for the new job.
8.___ he moves to another country, it'll probably be to England.
9.___ you don't understand the exercise, I'll try to help you.
10.I'll go to the concert with you tonight ___ my boss asks me to work overtime this evening.
11.___ you ever come to Bou Saada, feel free to visit us.
12.Life on Earth will be impossible ___ we don't fight against air and water pollution.
13.___ you want to develop a lung disease, you shouldn't smoke.
14.I'll punish you ___ you break one of my favourite vases.
15.Don't do it ___ you don't want to.
16.___ we learn from our mistakes, we may repeat them.
17.___ you buy the tickets in advance, you won't be able to see that plmay.
18.You won't be able to describe the picture ___ you look at it carefully.
19.___ you don't mind, I'll sit here.
20.Don't interrupt the meeting ___ it's an emergency.
21.Sign the document only ___ you read it carefully.
22.___ you ask me to sit somewhere else, I'll sit here.
23.___ you love her, marry her.
24.He must study ___ he doesn't want to fail.
25. The plants will not die ___ you water them.
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