---I’msorrytohavekeptyouwaitinglong.　---Nevermind.I

問題詳情：

---I’m sorry to have kept you waiting long.

---Never mind. I ____ here for only a few minutes.

A. have been      B. have come　     C. have arrived　     D. waited

【回答】

A

知識點：動詞時態

題型：選擇題