根據句意和所給中文寫出句中所缺的單詞。1.First,please

問題詳情：

根據句意和所給中文寫出句中所缺的單詞。

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

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

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

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

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

【回答】

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

知識點：單詞拼寫

題型：單詞拼寫