=>
20. A
21. D
22. C : không thiên vị
23. A : tước bỏ
24. A
25. A
26. through
27. interact
28. integral
29. parenting
30. force
36. You don't need to do the test.
37. The broken vase could be repaired by him.
38. All the prisoners will be caught again tonight.
39. You should not have called the doctor at once.
40. Luckily Jim didn't need to take the exam.
