1 what were you doing at 5 yesterday afternoon?2.When Tom was walking to the school,he saw Lucy riding the bike.3.What were you doing when your mom got home? I was on the phone.4.I was very surprised when hearing the news that Tom failed in the exam.5.I was helping Lucy with her English at this moment last night.6.When Tom was walking to school. he met his friends.7.It was too crowed everywhere in the station for me to find my cat.8.Mr Smith has never cosidered going to China for vacation.9.when the Linda was looking for her dog, the plane took off. 10.Her daughter was playing with the cat when Linda called.