----- Nội dung dịch tự động từ ảnh ----- 16. I like up as soon as I finish eating. A. wash B. to wash C. washes D. washed 17. I'm trying Chinese though it's very difficult. A. learn B. learning C. learnt D. to learn 18. We should stop because it is harmful to our health. A. smoke B. smokes C. smoking D. to smoke 19. John isn't here. Try his home number. A. phoning B. to phone C. phones D. phoned 20. Did you remember that letter for me? A. post B. to post C. posting D. posted