感谢与道歉用语恰当 — 英语词汇题
题目
你因感冒缺席了外教 Ms. Green 的口语课，事后补交假条并道歉。补交信中有一句：「I sincerely ______ for being absent from your oral English class last Friday, and I'm truly ______ for your understanding and support.」下列哪组词填入空格后最恰当？A. apologize; grateful B. regret; thankful C. appreciate; sorry D. excuse; pleased