----- Nội dung dịch tự động từ ảnh ----- 34. While Phong __________ a presentation, his laptop suddenly crashed. A. has given B. was giving C. is giving D. gives
35. What __________ to you on Sunday night? A. happen B. happened C. was happening D. would happen
36. He was talking to his mother about his first day at school when his phone __________. A. rings B. was ringing C. rang D. has rung
37. I first met her four years ago when we __________ at a middle school. A. had been studying B. are studying C. have been studying D. were studying
Exercise 5: Read the following advertisement / announcement and then answer the questions.