Соедините придаточное предложение с главным 1)if you wrote a 2)if you write a 3)if you had written the a)they would have received it. b)i should receive it soon. c)i shall tell them the truth

1-b
2-c
3-a

1)if you wrote a letter i should receive it soon.
2)if you write a letter i shall tell them the truth.
3)if you had written the letter they would have received it.
вроде так)