Mr.Huhasjustarrived,butIdidn’tknowhe

問題詳情：

Mr. Hu has just arrived , but I didn’t know he ________ until this afternoon .

       A．has been coming     B．will come               C．comes                    D．was coming

【回答】

知識點：過去將來時及其被動式

題型：選擇題