79. You may have the traffic accident if you don’t drive carefully.

Don’t drive ______, ______it may _______ the traffic accident.

78. When she was in the park, she could hear the birds. The birds were singing beautifully.

When she was in the park, she could hear ______ ______ ______ ______.

77. We are tired of his long speech.

We ______ ______ ______ ______ his long speech.

76. I don’t think you have to use them today.

I don’t think you ______ ______ ______ them today.

75. They were drinking happily. Just at that time, a policeman came in.

They were drinking happily______ ______ ______ ______ ______.

74. The man went playing tennis in the morning and he did it every day.

The man went playing tennis in the morning and it ______ every day.

73. I’m sorry to trouble you.

I’m sorry ______ ______ you.

72. Shanghai’s temperature will be 2 to 8 and there will be cloud.

Shanghai will be ______ and ______ temperature will ______ 2 to 8.

Shanghai will ______ a ______ day ______ temperature ______ 2 to 8.

71. Mother doesn’t let me go out alone at night.

Mother ______ me ______ ______ out alone at night.

70. In much of China, spring lasts from March to May.

In _____ _____ of China, spring ______ ______ March and ______ ______ ______ May.