10 . Are you fond of music?

1.As is known to all, China is the largest developing country in the world.

29.The doctor had no choice but reach out to their colleagues across the nation.

22. Could you tell me where the post office is?

54. Various substances differ widely in their magnetic(磁性的)characteristics.

46. Apples here like water and sunshine.

45. The traffic jams during morning and afternoon rush hours are a headache in big cities now.

37. He was very happy to hear from his old friend.

47. Fred was such a hardworking student that he soon came out first in the class.

62. Would you please help me with this heavy box?