() 2. All of us have learned English almost five years.

   A. since   B. before C. from   D. for

() 1. Can you tell me how this online tour of Australia?

   A. starting   B. to start   C. start   D. be started

假如你是Daniel ,生活在火星上。你的朋友John现在在地球上，不久也将到火星生活。请从学习、 生活、环境等方面写封信告诉John火星上的生活情况。注意:1. 信的开头和结尾已给出，不计入总词数；

2. 词数:80左右。

Dear John,

Now,Tm writing a letter to you on Mars. It's really wonderful to live on Mars.

Well,I hope to see you soon.

Yours,

Daniel

80. 我们都知道地球正变得越来越拥挤。

We all know the Earth.

79. 食物可以在冰箱里储存一段时间。

Foodin the fridge for some time.

78. 孩子将由机器人照顾。

The children willby robots.

77. 请不要阻止我看电视上的新闻。

Please don't preventthe news on TV.

76. 他能以每小时8千米的速度奔跑。

He can runper hour.

  用方框中所给动词的适当形式填空

  rise  live  float  sleep  connect 

71. Mr Smith couldn’t sleep well,so he took some pills.

72. The two cities by a railway.

73. It’s hard to imagine in a place where there are no cars.

74. Our government has already done something special to stop the house price.

75. Some leaves were on the river.

70. The streets are much (crowd) at weekends,so we should drive more carefully.