Exersice 8 : Present Perfect and Simple Past ( Page 65 )
1. John wrote his report
last night.
2. Bob has seen this movie
before.
3. Jorge has already read the
newspaper.
4. Mr. Johnson has worked in
the same place for thirty-five years, and he is not planning to retire yet.
5. We haven't begun to
study for the test yet.
6. George has gone to the
store at ten o'clock this morning.
7. Joan has traveled around
the world.
8. Betty wrote a letter
last night.
9. Guillermo called his
employer yesterday.
10. We haven't seen this movie yet