词汇运用（共10小题；每小题1分，计10分）
根据句子意思，用括号中所给的汉语提示或英语单词的适当形式填空。（每空一词）They taught how to chat online when they were 8 years old (自己).
There is much __________ (雾) these days, so please drive carefully.
He had quite an_______ (糟糕的) day yesterday.
We always have a great time with each other during lunchtime (聊天).
It is necessary for everyone to know the ______________( 重要 ) of wetlands.
Yangzhou is in the ______________ (east) part of China.
He was quite lucky to stay ________ (live) after the accident.
If we do nothing, soon there won’t be any pandas ___________ (leave) in the world. .
How many ____________(wolf) can you see in the picture?
My home is full of people today, because it is my father’s ______________ (fifty) birthday.