你们一月二十八日在中国日报上刊登广告招聘秘书，我现在写信应征。

I’m writing ________ ________ to your advertisement in China Daily of January 28 for a secretary. 

政府已采取了一系列环保措施，由此在全国各地涌现了许多公园和公共绿地。

   The government has ________ a series of environmental protection measures. As a result, many parks and public green areas have ________ up all over the country.

他在办公室做的工作很少，实际上如果他不来也没什么。

He does so little work in the office that it would make ______ _____ if he does not come.

世界各国的文明有历史长短之分,但并无优劣之别。

While civilizations in the world ________ from one another in their length of history, none of them is ________ to any other.

我们本来是可以按时完成工作的，但雨下的太大了。

We ______ ______ _______the work on time, but it was raining hard.

他们报告说看见那男孩被攻击了。这次可怕的经历对他来说肯定是场噩梦。

They ______ _______the boy being attacked. This ______ experience must be a nightmare for him.

盒子里面的东西全都被倒空了。

The box has been ______ _______all its things.

如果这些病毒被吸入，会导致疾病。

If _____ ______, the viruses can ______ in illness.

你要穿救生衣，以免筏子翻的底朝天

You have to wear a life jacket, just ______ ______your raft gets turned ______ ______.

专家建议青少年每周至少应该锻炼5次，每次至少30分钟。

  Experts suggest that teenagers   (1)     (2)     (3)   30 minutes   (4)  , five times a week.