Помогите пожалуйста, заполнив пропуски артиклями, где это необходимо.

---,a, a, a, a, ---a, a, an, the
---,the, -------the, --------------a, a, the, ---

My brother Peter lives in Kursk. He's .a..young doctor. He's got .a..family. He's got .a..wife and two children. His wife Helen is .a..teacher. She works at school. She hasn't got ..a.mother, but she's got ..a.father. Helen's father is ..an.engineer. He lives in .the..country now.

... Peter's office is near his house. He goes there in .the..morning and comes home for dinner, then he goes back to ..the.office.Peter's son goes to school. Peter's daughter is .a..girl of five. She goes to .a..nursery-school. On Sundays all of them often go to ..the.country to see Helen's father.

Fill in the blanks with appropriate verb forms.
1. The teacher asked the boys if they ——————– the sums.
a) Solved
b) Had solved
c) Solve
d) Have solved
2. Although they ———————, they did not lose heart.
a) Defeated
b) Were defeated
c) Had defeated
d) Have defeated
3. Our teacher taught us that virtue ——————— its own reward.
a) Is
b) Was
c) Were
d) Has
4. Our holy books tell us that man ——————- mortal.
a) Is
b) Was
c) Were
d) Has
5. He spoke so fast that I ———————- understand anything.
a) Could
b) Could not
c) Cannot
d) Had not
6. This is the house where John ———————-
a) Lives
b) Living
c) Is lived
d) Would lived
7. He kept quiet that he ——————— please me.
a) May
b) Might
c) Will
d) Can
8. Just as I ——————– the room, the bell rang.
a) Entered
b) Enter
c) Will enter
d) Would enter
9. Who told you that cows ——————- on grass?
a) Feed
b) Was feeding
c) Feeds
d) Has fed
10. His health has improved since he ——————– from the hills.
a) Return
b) Returned
c) Would return
d) Returning
11. He declared that he ———————- it even if he saw it with his own eyes.
a) Would not believe
b) Believe
c) Did not believe
d) Had not believed
12. If that man smoked less he ——————— develop cancer.
a) Would not
b) Had not
c) Has not
d) Will not