根据句意和所给中文写出句中所缺的单词。1.First,please

问题详情：

根据句意和所给中文写出句中所缺的单词。

1. First, please_____________(介绍) yourself to us all, OK?

2. Something should be done to protect the _________(环境) in our hometown.

3. After________(检查) the computer, he told me there were no tickets.

4. Smoking will__________(当然) do harm to your health.

5. There will be an exciting football match between China and Japan on ________(频道) 5 tonight.

【回答】

1. introduce 2. environment 3. checking 4. certainly 5. Channel

知识点：单词拼写

题型：单词拼写