業精於勤，事立於豫

41. be good for　　對……有好處

　例句：Reading aloud is good for your English. (大聲朗讀對你有好處。)

42. be happy to do　　很高興做某事

43. be helpful to sb/sth　　對……有好處

　例句：Reading aloud is helpful to you. (大聲朗讀對你有好處。)

　例句：Exercising is helpful to your bady. (鍛煉對你的身體有好處。)

44. be in good health　　身體健康

45. be in trouble　　處於困難中

　例句：She is in trouble. (她處於困難之中。)

46. be interested in　　對……感興趣

47. be late for = come late to　　遲到 

48. be like　　像……

49. be made from　　由……制成（制成以後看不見原材料）

50. be made of　　由……制成（制成以後看得見原材料）