d

đúng đó ạ

1. more intelligent

2. cheaper

3. larger

4. more colourful

5. quieter

b

36. b

37. c

38. a

39. d

40. b

26. have you put

27. haven't started

28. haven't started

29. borrowed

30. have already looked

31. isn't

32. found

33. has it got

34. will be

35. have just seen

1. customs

2. first

3. instead

4. showing

c

1. d

2. b

3. a

4. c

5. c

1. writing

2. it's

3. so

4. follow

5. get off

6. take

7. at

8. turn right

9. welcome

10. to seeing