1Knowinghowtoaskforh的精選

問題詳情：用所給詞的適當形式填空。1.Knowinghowtoaskforhelp(polite)isveryimportant.2.Weneedtochangethewaywespeakindifferent(situation).3.Inordertobepolite,sometimesyouneedtospendtime(lead)intoarequest.4....