1.我们谨慎地对待环境.
We must _______  ___________  _________ the ______________.
2.扔掉玻璃、纸张、和金属是很浪费的行为.
It's ___________ to __________ __________ paper, glass and metal.
3.我们筹钱去帮助那些贫苦地区的孩子.
We ________ _____________ to help students in poor areas.
4.我们每天制造垃圾,而这些垃圾对我们的环境有危害.
We produce waste every day and           _____ ________ ____ our environment.
5.甚至最简单的日常活动也能对环境产生很大影响.
Even the simplest everyday activities can ________ ____ __________ ____ the
environment.

1.当心别从树上掉下来。    
Be careful not to____ ____ the tree.  
2.这个学校的学生数目大约是两千。    
____ ____ ____ the students is about 2,000 in the school.  
3.他们已经结婚10年了。  
They____ ____ ____ for ten years.  
4.当我出去的时候请照看这个孩子。  
Please ____ ____ the baby when I'm out.
5.在晚上我的妈妈总是帮着我做作业。    
My mom always ____ me ____ my homework in the evening.  
6.现在街上比过去有更多的车辆了。    
There are ____ ____ ____ now than in the past in the street.
7.请告诉我有关你的学校旅行。    
Please ____ me ____ your school trip.
8 .在上学的路上詹妮捡到了一个钱包 。  
Jenny ____ ____ a wallet on her way to school.

1、那个足球俱乐部是去年建立的。
That football club _____ ____ ____ last year.
2、你知道WTO代表什么吗？  
Do you know what WTO ____ ____?
3、到目前为止我们已经学了1,200个英语单词。  
We have already learned 1,200 English words ____ ____.
4、他爸爸将不允许他把工厂卖掉。
He_____ ____ ____ to sell the factory by his father.  
5、他们昨天是什么时候到达上海的？  
When did they ____ ____ Shanghai yesterday?