Кто шарит за англ, помогите, срочно до ужаса

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чё такое "шарит за англ"?

UNIT 52
52.1
1. They had studied all the necessary material
by the end of the term.
2. By the time he was thirty-five he had visited
12 countries.
3. They had been married for 10 years.
4. The train had already left when I arrived.
5. We hadn’t seen each other since 1990.
52.2
1. had never been
2. had brought
3. hadn’t announced
4. had tried
5. had broken
6. had done
7. had been
8. had lied
9. had been
10. had discussed
11. had bought
12. had already escaped
13. had ever got
14. hadn’t spoken
15. had achieved
16. had got
17. had just returned
18. had smoked
52.3
1. By the end of the month they had spent all
their money.
2. By the time she was 28 she had made
a wonderful career.
3. When Mike’s parents returned his friends
had already left.
4. Everything was very interesting for the
child. He had never been to the Zoo before.
5. I didn’t expect him to come in time. He had
been late twice already.
6. It was just the present I had wanted to get
for a long time.
7. By the time the rain started (By the time it
started raining) they had already repaired
the car.
8. He arrived at the station, bought a ticket
and called his wife as he had promised.
9. They didn’t know what to tell each other.
They hadn’t met since they divorced.
10. Everything was new for Alice. It was
the first time she had been out of town.