题目内容
他们已经为植树做好了准备。
________ planting trees.
Tom昨天又迟到了。
Tom _______________school again yesterday.
过去那里有一棵大树。
There _____________ be a big tree.
这个小镇过去污染很严重。人们既看不到蓝天也呼吸不到新鲜的空气。
The pollution in this town used ________ people ________.
他们对动物很感兴趣。
They ________ animals.
我用了两个小时才读完那本杂志。
__________ two hours to finish reading the magazine.
我们高兴的是越来越多的博物馆向公众免费开放了。
________________ more and more museums are open to the public for free.
劳驾,请您告诉我工人们要用多久才能建成这所新医院?
Excuse me,could you please tell me ________ the workers to build this new hospital?
适当形式填空(短文适当形式)
The smell of gas on the street may make us hold our breath. However, when it comes to 1. (pollute), your own home may be just bad.
"People spend most of their time indoors, and 2.(they) homes can be two to five times as polluted as the air outside," says the US Environmental Protection Agency.
Poor indoor air quality can cause health problems. And a lot of these problems 3.(cause) by something in your house. 4.(make) your home healthy, here are some useful tips:
Is the fan in your bathroom 5.(work) well? Turn it on. Put a sheet of paper against it. If the paper sticks, the fan is strong enough. If not, it needs to be repaired. A good fan 6.(make) sure the air in the bathroom is fresh.
Keep your gutters(水槽) clean and clear so that dirty water doesn't make your kitchen or bathroom 7.(smell) bad.
And 8.(not leave) the litter in bags or bins in your home. The place for it is outside, waiting for collection.
When you are at home, open the windows 9.(let) fresh air in.
Follow these simple steps, and you're sure to live in a 10.(health) environment.