Answer: D) Was typing.
Explanation for this question is being written.
Answer: D) Were sitting heard.
Answer: D) Was walking.
Answer: B) Was doing.
Answer: A) Were playing / started.
Answer: B) Was cutting.
Answer: D) Was looking, found.
Answer: B) Was watering.
Answer: D) Wasn't working / walked.
Answer: C) Was standing-heard.
Answer: D) Was crossing.
Answer: C) The students were talking when the teacher arrived.
Answer: B) Simple Past-Past Progressive.
Answer: B) Were meeting, worked.
Answer: C) Were watching-rang.
Answer: D) Was cooking.
Answer: B) Were writing.
Answer: C) Came/were talking.
Answer: D) Were dancing.
Answer: D) Was going.
Answer: D) Was checking.
Answer: A) Was dreaming; went.
Answer: A) WAS WASHING / RANG.
Answer: A) Was washing/ rang.
Answer: A) He broke his leg while he was playing volleyball.
Answer: D) Had been going.
Answer: C) Was driving, stopped.
Answer: B) Had been looking/appeared.
Answer: A) D
Answer: A) Was performing/ went.
Answer: A) Rang
Answer: C) Were-doing / began / was writing.
Answer: C) C
Answer: C) Was eating/ broke.
Answer: D) Arrived, was sleeping.
Answer: D) Were shouting / kept.
Answer: A) Major Davis called him to his office.
Answer: B) Was running; slipped; fell.
Answer: C) Had been cutting.
Answer: A) Saw/were sitting.
Answer: B) Was typing.
Answer: A) Was trying / heard.
Answer: B) Were studying, said.
Answer: B) Had been.
Answer: C) Were walking.
Answer: B) Was conducting.
Answer: D) Wasn't driving, happened.
Answer: B) Finished, was traveling.
Answer: B) I was eating dinner when the doorbell rang.
Answer: B) Was taking-gave.
Answer: C) Were sleeping /rang.
Answer: B) Foundwere tidying.
Answer: C) Arrived-was sleeping.
Answer: C) Was writing / went.
Answer: B) Was swimming / shouted.
Answer: B) An action in progress in the past emphasising duration interrupted by another past action.
Answer: B) Past Progressive.
Answer: D) Had been eating.
Answer: B) Were about to argue.
Answer: A) Were having / started.
Answer: D) Were watching, were tidying up2) was listening, came3) moved.