60. Millie once __________ in Beijing with her cousin for a long time.

59.　 -I wonder how to use the washing machine.

-That’s easy. I _________ you later.

58. Let’s start off right now since it __________ raining.

57. Would you please tell him to keep quiet while my baby ____________?

56. Everything __________ more on the earth than on the moon because of gravity.

55. My mother looked even ___________ at what I said.

C. 请根据句意从方框中选择合适的动词，并用其适当时态填空，使句子通顺。(每小题1分，共5分)

54. We must remember those national _________ and learn from them.

53. The workers set up the great bridge _________ with modern machines.

52. My father’s ________ birthday happens to be on Father’s Day.

51. Den Yaping taught ______________ English after she left the table tennis team.