填空题。
1. 用a、an填空。
I have ____ good idea.
2. It’s _______.（热的）
3. 填上合适的介词。
Who’s afraid ____ the big bad wolf？
4. I have an _____.（主意）
5. small的反义词是______。
6. ______ the door.（打开）
7. 救命！_______！
8. 写出划线单词的反义词。
Open the window. Don’t _____ the window.

Look, read and choose：Come ______（in / out）, please!

选择恰当单词，补全句子。
at    of    to    in    by
【小题1】We stayed in a hotel _________ the sea.
【小题2】I went _________ Harbin.
【小题3】We have learned a lot _________ English words.
【小题4】We enjoyed the moon and stars _________ night.
【小题5】Many students are interested _________ English.

Here is a stamp ______ you. （   ）

A．on

B．for

C．in