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.
6.b
7.c
8.a