今年春天，小明去北京参加了“Oulook希望之星”英语演讲比赛，在那里他有生以来第一次遇到了沙尘暴(sandstorm)，天空黑沉沉的，地上都是沙子，行人和车流寸步难行…，请你根据你所了解的关于沙尘暴的信息写一则短文，字数80左右。

85. Because Mum is ill, so I had to look after her at home.

84. A man called 119 hotline used his mobile phone.

83. Tomorrow the temperature will be taller than today.

82. We could do nothing but to walk slowly in the snow.

81. No one hurt as it was a school holiday when the fire happened.

80. The weather today is rainy and cloudy. (对划部分提问)

　 ______is the weather today?

B)下列句子中均有一处错误, 请指出并改正(每小题1分，共5分)

79. It rained heavily last night. (写出同义句)

　 There _______________________ last night.

78. People were in a hurry to take the sick man to hospital.(写出同义句)

　 People _______ _______ take the sick man to hospital.

77. “Don’t walk on!” the officer said to the soldiers.(用order改成同义句)

　 _______________________________________________________