根据所给句子和音标提示写出恰当的单词，每空一词Please ____________ /nɒk / on the door before entering the teachers’ office.
Are you ____________ /fri:/ this afternoon? Let’s go swimming.
Sweet snacks give us ____________ /'enədʒɪ/but they are not healthy food.
根据括号中所给词的适当形式补全短文。
Animals are ________ (people) friends. But many wild animals are facing the ____
___ (dangerous) of dying out, because the environment that they are living in has changed ___
___ (great). For example, their living area has become smaller and smaller because of ____
____ (pollute) and the development of cities. They have no room to live in except the zoo. And many of the wild animals now can’t find enough food ___
____ (eat). At the same time, man is killing off animals just for ____
___ (get) their fur, teeth and meat.
People should realize how serious the situation is and something should _______ (do) to protect the animals. We should set up some nature reserves so that animals can live ___
___ (free). And people shouldn’t ____
____ (allow) to kill the endangered (处于危险中的) animals. We should also do something to make our world cleaner. Fresh air, clean water and green grass are all important for animals. The ____
___ (die) of the endangered animals will bring a disaster (灾难) to human beings.
用括号中所给词的适当形式填空。That kind of bags is ________ (use), we can use it over and over again.
The river outside the city _______ (pollute) by the factory nearby in the past few years.
Those animals are ________ (give) food three times a day.
The scientists _________ (come) up with some good ideas to solve the serious problem already.
The soldiers are _______ (try) to save more people.
根据句意及汉语提示写出单词。A ______ (鲨鱼)is a dangerous animal.
Many _______ (法律) have been made to protect endangered animals.
The sea animals are all important to the ocean's _______ (生态系统).
Tigers are at the top of the food _______ (链条) in the grassland ecosystem.
Do you know the _______ (优点) of bike riding?
根据句意及首字母提示补全单词。Throwing l_______ everywhere is a bad habit.
The f ______live a difficult life.
The earrings she wears are really u ______．
There are many a______ of running.
The fewer p _______ bags we use, the cleaner our environment will be.
根据句意及首字母提示完成单词。I think I have made a great d_________.
If it isn’t fine this weekend, our picnic will be c_________.
The story is full of b_________ and interesting characters.
He didn’t leave until the train d_________.
It is e_________ to wear sports clothes at a party.