A.

1. playground

2. gloves

3. carpenter

4. softly

5. lollipops

6. overseas

7. plants

8. bicycle

9. pony

10. piano

B.

11. bookshop

12. stationery

13. birthday

14. candles

15. radio

16. electricity

17. puzzle

18. picture

19. calculator

20. solve

C.

21. do not

22. do not

23. do not

24. does not

25. do not

26. do not

27. does not

28. does not

29. listen

30. play

31. reads

32. washes

33. help

34. work

35. buys

36. drives

D.

37. It has been raining for many weeks.

38. He has always been a good boy.

39. He has been coughing for two days.

40. The dentist asked Jason to take good care of his teeth.

41. John has to clean the blackboard every day.

42. They have been good friends since childhood.

43. The sun rises in the east and sets in the west.

E.

44. It is because they are cute and loyal.

45. We use a pen and a piece of paper.

46. It is in the month of February.

47. They are having a game of football.

48. Yes， she has done her homework.