When (did she choose had! the chosen) to take a course in com-
puting?
G. B. shaw (wrote /has written) a lot of plays.
The applicants were happy to hear that they (passed had passed)
the centralized test successfully.
(did you meet! Have you met) anyone interesting at the recep-
tion?
Mr. Billboard (had been thinking / thought) his decision over dur-
ing the lunch break.
Who (was driving / drove) the car at the time of the accident?
When I (searched / was searching) for the documents, I suddenly
remembered I (left /had left) them in my briefcase at hone.
Because he (didn't check /hadn'' checked) the oil for so long. the
car (broke /had broken) down.
When (arrived / was arriving) at the office Ms Flick (waited
was waiting) for me.
10. While I had was having) lunch (looked / was looking) through
the financial newspapers and saw that the company's investments
(grew /had grown) by 10%