Exercise 3: Choose the word or phrase that best complete the sentence (A, B, C, or D): He ____ for London one year ago. A. left B. has left C. leaves D. had left She ____ in Hue for twenty years. A. lives B. has lived C. lived D. will live I ____ to the market with my mother yesterday. A. go B. went C. have gone D. was going What ____ you ____, Nam? – I’m thinking of my mother. A. do/think B. are/thinking C. have/thought D.were/thinking How long ____ you ____ her? – For five months. A. do/know B. are/knowing C. have/known D. had/known 6. I ______ Texas State University now. A. am attending B. Attend C. was attending D. attended 7. He has been selling motorbikes ________. A. ten years ago B. since ten years C. for ten years ago D. for ten years 8. Christopher Columbus _______ American more than 500 years ago. A. discovered B. has discovered C. had discovered D. had been discovering 9. He fell down when he ______ towards the church. A. run B. Runs C. was running D. had run 10. We _______ there when our father died. A. still lived B. lived still C. was still lived D. was still living