| when like falling used more cuts air study so save much how |
Nowadays more and more people care about the exploitation (开采） of the natural resources, such as oil. The_______ oil we use, the less these will be left for the future. Oil can be ___
____in many ways and it’s difficult to imagine what the modern world will be _
____ without oil. But oil isn’t easy to find and get out of the earth. Men must __
_____ the rocks, ___
____they think the rocks in a certain place may have oil, a metal tower is built. A machine in the tower __
____ a hole down into the ground. At the same time , a steel pipe （钢管） is pushed down to stop the sides from __
____ in and to keep out water. At last if the men are right, usually the oil rushes up high into the __
___. If the oil catches a light , there will be a terrible fire, __
____a kind of cover is fixed on the top of the pipe. And the oil can run out through taps( 活塞）. Today the price of oil keeps rising all the time. In many countries, the governments encourage people to _
___oil as much as possible.
根据句意用方框中词组的适当形式填空。
| make a plan，get up，be lost，go to sleep,make...for |
It's 7:00.It's time______, Peter.
It's easy for us______in the forest.
He won't_________until he finishes his homework.
You'd better_________before you travel.
On Father's Day，Lily_______ a card________her father.
从方框中选用合适的单词，并用其适当形式填空。
| underwear, moonlight,wife, lead, inside |
The water looked silver(银色的)in the________.
What's________ the box？Can you guess?
This kind of women's ________sells well in her store.
They all went to the party with their________．
The kind boy_________a blind man across the street just now.
用所给词的适当形式填空。James likes cleaning his room by_______(he)．
He came to our classroom ______(look)for his classmate.
The students are trying_______(help)the old man climb the mountain.
Everyone said how_______(wonder)his new bike is.
It's getting dark.We have to _______(leave)now.
用voice、noise或sound填空。Don’t make any ________ in the library.
He spoke in a very low _________, so we couldn’t hear him.
Don’t make a _________. Your father is sleeping.
I can’t hear the ________ of the bell outside.
Your mother’s _________ is very nice.
选用方框中所给的连词填空。
| so...that...，unless，as soon as |
Teresa is_____nervous_______she can't talk in the front of her classmates.
My aunt often walks the dog in the morning, _______bad weather stops her.
You don't know things clearly _____you write them down.
I'll call you ______I get there.
I worked______hard________I got the first place.