Giúp em với ạ ----- Nội dung dịch tự động từ ảnh ----- 15. I have never played badminton before. This is the first time I .to play. a. try b. tried c. have tried d. am trying I have heard nothing from him. b. he left c. he has left lunch, I looked for my bag. 16. Since .... a. he had left d. he was left 17. After I a. had b. had had e. have has d. have had 18. By the end of next year, George . . English for two years. a. will have leamed b. will learm e. has learned d. would learn 19. Henry . . into the restaurant when the writer was having dinner. a. was going b. went c. has gone d. did go 20. He will take the dog out for a walk as soon as he . . dinner b. finishes c. will finish a. finish d. finishing
