----- Nội dung dịch tự động từ ảnh ----- 1. Never talk to the driver while he a. will be driving b. will drive c. drives d. is driving 2. I will tell you it is good or not after I it. a. try b. am trying c. have tried d. will try 3. Tom ... his room before we arrived. a. is repainting b. was repainting c. has been repainting d. had repainted 4. We .. ... for going home when it began to rain. a. are preparing b. were preparing c. will be preparing d. have prepared 5. When I last saw him, he .... in London. a. has lived b. is living c. was living d. has been living 6. Christopher Columbus American more than 500 years ago. a. discovered b. has discovered c. had discovered d. had been discovering 7. I ....... in the room right now. a. am being b. was being c. have been being d. am