Mars (land) 21. He
his
job a couple of years ago. (quit)
22. Our daughter
from
the university yet (gradate).
23. They
any Christmas cards last year
(not send)
24. She
to a
doctor once a year for an
examination (go)
25. They
about me when I interrupted
their conversation. (talk)
26. Nothing much
when I
got to the meeting (happen).
27. My parents
in New York
two weeks from today (be).
28.1
two
mistakes in the last quiz.
(make)
29. Unfortunately, our team
any games
last year. (not
/

Explanation

He quite his job a couple of years ago.

Our daughter graduated hasn't from the university yet.

They didn't send any Christmas cards last year.

She goes to a doctor once a year for an examination.

They  talked about me when I interrupted  their conversation.

Nothing much went on   when I  got to the meeting.

My parents  go to  New York  in two weeks from today.

I made two  mistakes in the last quiz.

Unfortunately, our team  didn't win any games  last year.