1.How soon should the windows ______(clean).

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1.How soon should the windows ______(clean).
2.Millie ______(know) nothing about the accident until she _____(tell) by me.
3.—what ______you ______(say) to me?I'm sorry I______(not watch) your words.
—I _____(say) something _______(must do) to protect the environment.

1.be cleaned
2.knew had been told
3.did say didn't catch
said must be done
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1.How soon should the windows ______(clean). Shall ______ clean the dirty windows? clean the windows是什么意思 clean the windows的音标 let,s clean the windows Let ____ clean the windows 1.____he____(clean) the windows once a week? how many people do you need to clean the windows we need ___ you should keep the water clean at ______(little). wash the windows和clean the windows有什么不同 you should clean the 改错 The windows is clean.the door is clean also.