1. They ……….. In this office in 1998.
  was working
  work
  have worked
  working
  worked

2. He will not forget ………… next Monday.
  came
  to come
  come
  to came
  coming

3. He couldn't go out because it …………. .
  rained
  was rained
  is raining
  has rained
  am rained

4. What …………… time did he arriive yesterday ?
  the
  a
  no word is needed
  an
  the

5. John built this house three years ………… .
  tomorrow
  before
  ago
  since
  later

6. We drink when we feet ……………. .
  sad
  hungry
  tired
  sadly
  thirsty

7. Let him …………… it by himself .
  to did
  do
  did
  to do
  doing

8. Mark ………… Chiang Mai when he was a boy.
  has rained
  visit
  was visited
  visiting
  visited

9. My brother and I ……….. Our parents last week.
  visiting
  visited
  were visited
  visit
  have visited

10. She …………. Here from 1987 to 1990.
  were living
  living
  lived
  live
  has lived