Giúp em vớWrite in full sentences using the past continuous tense or the past simple tense. 1. Father / smoke/ his pipe / while/ mother/read/ a magazine. 2. When/I/ come/ into / the office,/ my boss / wait/ for me. 3. He/wait/ in the car / while/she/do/ the shopping. 4. she/type/ a letter/ when/ her boss/ go/ into/ meeting room/?
