Dưới đây là các động từ đã được chia phù hợp để hoàn thành các câu:

51. A: (phone) What were you **doing** at 7 o'clock last night but you did **not answer** then?
B: I was **taking** a shower so I was **not able** to answer the phone in time.

52. How fast **was she driving** when the accident **happened**?

53. Yesterday the police **reported** that they had **captured** the thief two days before.

54. I had been **studying** for two hours when you came.

55. Before I came back home, everyone had **gone** to bed.

56. The football match had **started** by the time I entered the stadium.

57. After he had **locked** the doors carefully, he went out.

58. After I had **had** some biscuits, I had a drink.

59. He may **not go** anywhere in the end.

60. We must **do** our homework before going to class.

61. You had better **avoid traveling** during the rush hour.

62. It is raining. You'd better **stay** at home.

63. The teacher is very strict. You'd better **not be** late.