Please excuse my __ in without __.

下列各句中，标点符号使用正确的一项是（ ）

Look out, there is a bus ahead.—Oh, dear, _________

o, who_________as a construction worker for over 8 years, is now a distinguished lawyer in this country.

.Li Yuchun’s song was a______ at once and its recording tape rose to No.1 on the best seller list.