ĐẶT CÁC ĐỘNG TỪ VÀO THÌ ĐÚNG, QUÁ KHỨ ĐƠN HOẶC HIỆN TẠI HOÀN THÀNH
1 When we were in Canada, we .................(go) skiing almost every day
2 When ,,,,...............((you/meet) you wife? - 3 years ago
3 Peter ................(not phone) yet. I'm still waiting
4 I ....................(know) Helen since we were  at school together
5 My uncle .................(live) in Berlin in 1999
6 We ................(not see) Beth at Mike's house yesterday morning
7 Do you like this picture? My uncle ..............(paint) it
8 Mr Dass..............(leave) for New York late last night 
9 Mr and Mrs Grey ..................(teach) French here for over five years