用括号中所给词的适当形式填空。Many animals may _______ (appear) one day if we don't protect them well.
If the number of one kind animal drop too low, it will bring _______ (dangerous) to the whole ecosystem.
______ (recycle) paper is very easy.
Mr. Green rides a bike to work instead of _______(drive) his car now.
While you ______ (wash) your face, you'd better turn off the lap.
根据句意及首字母提示补全单词。Last weekend we visited Tian'an Men S_______.
Don't swim in the river because it's too d_______.
We should make every effort to p________our environment.
Xi'an is an a_______city.
The Sahara is the biggest d_______in the world.
根据句意及首字母提示完成单词。The dog can s_______on two legs.
At b______, a baby panda is about 15cm long.
An elephant can eats 150 k______ of food a day.
James is about 2.06 meters tall and w______ 120 kilos.
Mom, I can take care of myself.I am already an a_______ now.
根据句意及汉语提示，写出句中所缺单词。Mrs.Green drew two big________(正方形)on the blackboard.
In the________(沙漠)，water is very important.
This river is _______(深的)than any others in my town.
We don’t know why the ______(古代的)emperor built this temple.
Welcome to our short________(旅游)of London.
根据句意及汉语意思完成单词。His hair is g________.
I want to listen to the w_______ story.
The little girl has a beautiful v_______.
Whatever you do, don’t c_______ your friends.
He l_______ us to a room upstairs.
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