sothesalesmanistryin的精選

問題詳情：OldJohncannothearwell，sothesalesmanistryingtoexplainhowtousetheproduct_____signlanguage．（）A．bymeansof      B．onbehalfofC．insearchofD．forfearof【回答】A知識點：詞組短語題型：選擇題...