hola porfavor si me pueden completar esto se los agradecería, es first and second condicional

a. if they ____ (not/ve) always si late, they ___ (be) promoted
b. we ____ (travel) more if we ____ (be) younger
c. if i ____ (speak) perfecto English, I _____ (have) a good Job
d. I ____ (Buy) a Big house if i ____ (hace) enough money

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