Put the verbs in brackets into the correct past tense. gemma, listen to this! i was walking through the city center yeaterday when i (notice) that a crowd (gather) around two men. apparently, they argue loudly for more than half an hour! /resolve) their argument? i (not/hear) from sam in australia until yesterday when i got his latter. as i (open) the envelope, he (phone) me! he said he (have) trouble with his computer but he (fix) the problem.