1. I ... this movie yesterday.

see
seen
saw

2. I did not ... this movie yesterday.

see
seen
saw

3. I ... mathematics when I was a child.

studyed
studied
study

4. Tom ... his car last Monday.

repair
repairing
repaired

5. She did not go to work four days ago because she ... sick.

is
was
were

6. US army ... Iraq in 2003.

invaded
invade
invades

7. He ... a lot of money in the stock market last year.

lose
loses
lost

8. The Second World War ... in Europe.

occurred
occured
occur

9. Where ... you yesterday morning?

were
was
are

10. Did you eat that? Yes, I ... .

did
do
done