单项选择题
I must hold（）for any damage which may result from the accidents you have caused.
A.your responsible B.you responsible C.you are responsible D.your are responsible
单项选择题 I look forward to（）for this at your earliest convenience.
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.
