单项选择题
I look forward to（）for this at your earliest convenience.
A.having your approval B.approved by you C.get your answer D.know your opinion
单项选择题 I know nothing（）about it.
单项选择题 I immediately telephoned the engine room to tell（）was happening to the C／E.
单项选择题 I hold your ship fully responsible（）the accident.
