题目内容：

词汇运用

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）

1.They taught           how to chat online when they were 8 years old (自己).

2.There is much __________ (雾) these days, so please drive carefully.

3.He had quite an_______ (糟糕的) day yesterday.

4.We always have a great time          with each other during lunchtime (聊天).

5.It is necessary for everyone to know the ______________( 重要 ) of wetlands.

6.Yangzhou is in the ______________ (east) part of China.

7.He was quite lucky to stay ________ (live) after the accident.

8.If we do nothing, soon there won’t be any pandas ___________ (leave) in the world. .

9.How many ____________(wolf) can you see in the picture?

10.My home is full of people today, because it is my father’s ______________ (fifty) birthday.