Giúp mình với! Ex. 2 Fill in Past Simple or Past Perfect .,1 . Atter they (see) the Tower, they (go) to Westminster Abbey.,2. He ..... (ask) me which animals I.. (see) in Africa.,3. After Columbus ...... (discover) America, he (return) to Spain.,4. Before they ..... (move) to Liverpool, they .sell) everything.,5. After he (work) very hard, he (fall) ill.,6. She .(open) thebbox ffter she (find) the key.,7. They (go) to a restaurant after they . (sail).,8. Before they (start) the party, they (invite) some friends.,9. After she .......wwash) the crrtains, hh (clean) the windows.,10. They (arrive).,11. Before he (mow) the lawn, he (pick) some roses.,12. After he .finiihh school,,he (work) for a magazine.

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Here are the completed exercises:

1. After they **saw** the Tower, they **went** to Westminster Abbey.
2. He **asked** me which animals I **had seen** in Africa.
3. After Columbus **had discovered** America, he **returned** to Spain.
4. Before they **moved** to Liverpool, they **sold** everything.
5. After he **worked** very hard, he **fell** ill.
6. She **opened** the box after she **had found** the key.
7. They **went** to a restaurant after they **had sailed**.
8. Before they **started** the party, they **had invited** some friends.
9. After she **had washed** the curtains, she **cleaned** the windows.
10. They **arrived**.
11. Before he **mowed** the lawn, he **had picked** some roses.
12. After he **finished** school, he **worked** for a magazine.