5. The letter … yesterday.
a) was posted; b) will be posted; c) posted.

6. Cheese … from milk.
a)was made; b) is made; c) has been made.

7. The children … some food.
a) will give; b) were gave; c) were given.

8. The house … every year.
a) is painted; b) is being painted; c) had painted.