Ⅰ. 根据句意及首字母提示完成单词（5分）
1. Would you m_______ closing the door? It’s cold outside.
2. Your radio is too noisy; please t_______ it down.
3. —Would you mind cleaning the window?
—OK. I’ll do it right a_______.
4. There are many trees and flowers in our school y_______.
5. Their second t_______ is to collect some useful information.
