根據句意和所給中文寫出句中所缺的單詞。1.First,please
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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
