Always, Sometimes, Never

Write one of the words “always”, “sometimes” and “never” in the spaces below to make each of the statements correct: 

The sum of two odd numbers is ______________ even. 

When an odd number is multiplied by an even number the answer is _______________ odd. 

The product of two even numbers is ______________ a multiple of four. 

When an even number is divided by an even number the answer is _______________ odd.