4. Our school has taken some __________________(measure) to prevent the students surfing on the web freely.

3. We should pay more attention to the healthy _______ (develop)of children.

2. Over the past 25 years, life _________________ (expect) after 50 has risen in the United States.

用所给词的适当形式填空

 1.He owed his success to his good  ______________ (educate) in his childhood.

5. 他返回办公室确认他已经关掉了电脑。

     He went back to his office ___________________  the computer.

4.  你放弃这个计划是正确的，因为这个计划不实用。

    ___________________you should give up the plan for it is not practical.

3.当听说由于污染这个城市的水饮用起来已经不安全时，人们蜂拥进商店去买瓶装水。

   When people heard that because of pollution, the water in this city was already not________ ， they flooded into stores to buy bottled water.

2.在2012年全球城市生活质量排行榜中，香港排名第70位，维也纳位居榜首。

   Among the world's best cities for quality of life in 2012, Hong Kong is  at number 70， Vienna_________________________ .

根据中文意思使用恰当的句式完成句子

1.就在我们的房子前面有一棵千年古树。

    Just in front of our house ________ with a history of 1,000 years.

5.Our government is________________ (努力)to reduce the house price.