Ayuda con este ejercicioescribir los verbos entre paréntesis en la forma correcta :a) While my mother was doing her exercises, she __________________(hear) a strange noise?

Ayuda con este ejercicio escribir los verbos entre paréntesis en la forma correcta : a) While my mother was doing her exercises, she __________________(hear) a strange noise. B) My friend John usually ____________________(go) to work by taxi. C) I ____________________________ never _________________________(speak) Russian in my life, but I ____________________________(start) a Russian course in short. D) He always _________________________(have lunch) at 17. 00 o´clock, but tomorrow he ____________________(have lunch) at 15. 00. e) While Peter _____________________________(cut) the grass, Jenny _____________________(wash) her hair. F) The teacher _________________________(talk) about the theme for two hours and you _________________(not - understand) a single thing. G) While my sisters were making their beds, my mother ________________________(arrive). H) Pedro always __________________(go) to work in the morning. I) My last holidays in Paris were wonderful : I ____________________(visit) a lot of museums, I __________________(meet) a lot of interesting people and I _________________(eat) at a typical restaurant. J) Look! Sandra ________________________(cry). Why is she so sad? K) Listen! Peter __________________________(eat) an incredible hamburguer. L) Grace Kelly was very pretty. Someday, my daughter ________________________(be) as pretty as she was. M) Tomorrow is my birthday and I __________________________(have a party), but I still ________________(not - prepare) anything.