1) ... you leave now, you'll be late for work. a) if b) unless 2) I'll call you ... I'm not busy in the afternoon. a) unless b) if 3) I'll go shopping .... I wake up early on Saturday.  a) if b) unless 4) ... you water the flowers regularly, they won't grow. a) if b) unless 5) ... doesn't rain tomorrow, we will go on a picnic. a) if b) unless 6) ... he studies hard, he won't pass the exams. a) if b) unless 7) You can take any table ... it is reserved. a) if b) unless 8) They won't come to the party ... you invite them. a) if b) unless 9) ............. I meet him, I'll tell him the whole story. a) If b) Unless 10) I'm going to help my grandmother in the garden .................... it rains. a) if b) unless 11) We'll get lost in the forest ............ we find a map. a) if b) unless 12) He won't be able to buy a house ................. he wins a lottery. a) if b) unless

If - unless

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