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%