Đáp án + Giải thích các bước giải:

1. Anita said she was very sorry for what she (do) _had done_
2. When Sam (pay) _paid_ The Bill, we left the restaurant and went home.
3. It wasn't surprising that she was tired - she (not sleep) _hadn't been sleeping_ for two days.
4. The road was blocked because a lorry (break down) _had broken down_
5. My mother felt very nervous on the plane because she (not fly) _hadn't flown_ before.

6. _Had they gone_ (they/go) home when you arrived?

7. I (hear)_had heard_ the story before, so I didn’t find it very interesting.

8. After she (try on)_had tried on_ all the dresses in the shop, she bought the most expensive one.

9. They (not have)_hadn't had_ breakfast when I got up.

10. The children were very excited because they (not see)_hadn't seen_ a tiger before.

$#datchampionforever$

Đáp án:

I.

1. flood

2. drought

3. landslide

4. hurricane

5. tornado

II.

1. had done

2. had paid

3. hadn't slept

4. had broken down

5. hadn't flown

6. Had they gone

7. had heard

8. had tried on

9. hadn't had

10. hadn't seen