Read the following sentences and write sentences with ”if”.

I don't have his number. It is impossible for me to call his. But if..... *


We don't know her address. We cannot send her an invitation. But if

She never studies. She will not pass the exam. But if... *

They are so tired. They don't go to bed early. But if ..... *


I will not go to the concert. I don't have a ticket. But if .... 


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