1) ___ it rains, we will go to the park. a) Unless b) When c) If d) Because 2) We will start the meeting ___ everyone arrives. a) When b) Unless c) If d) Before 3) ___ you study hard, you will pass the exam. a) If b) Unless c) When d) After 4) I will call you ___ I get home. a) When b) Unless c) If d) Before 5) ___ you hurry, we will miss the bus. a) Unless b) When c) If d) Because 6) We will go for a walk ___ it stops raining. a) When b) Unless c) If d) Before 7) ___ you invite her, she won't come. a) Unless b) When c) If d) Because 8) ___ you finish your homework, you can watch TV. a) If b) Unless c) When d) After 9) ___ it is sunny, we will have a picnic. a) If b) Unless c) When d) Before 10) ___ you tell me, I won't know. a) Unless b) When c) If d) Because 11) ___ you see him, give him this message. a) When b) Unless c) If d) Before 12) ___ you leave now, you will be late. a) Unless b) When c) If d) Because 13) ___ you practice, you will improve. a) If b) Unless c) When d) After 14) ___ you are ready, we will start. a) When b) Unless c) If d) Before 15) ___ you ask, you will not receive. a) Unless b) When c) If d) Because

First Conditional with Unless and When

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