多项选择题
In a letter of apology to your teacher, you can take the following forms as salutation _______. ()
(在写给老师的道歉信中,可以采用下列哪些称谓形式。)
A、A. Dear Mr. Smith,(尊敬的史密斯先生)
B、B. Dear Professor Smith, (尊敬的史密斯教授)
C、C. My Darling Smith, (最亲爱的史密斯)
D、D. Dear Den Smith, (尊敬的史密斯主任)