——Oh,youarehere．Wherehaveyoubeenallthistime?Theplaneis...

問題詳情：

 ——Oh, you are here． Where have you been all this time? The plane is about to take off．

 ——I’m sorry, but I _______ for you here at the reception desk．

     A． waited                                            B． had been waiting                        

     C． was waiting                                       D． have been waiting

【回答】

D

知識點：現在完成進行時及其被動式

題型：選擇題