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

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

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

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

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

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

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

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

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

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