单项选择题
A.captain B.capstan C.capital D.carpenter
Sorry to have kept you（）for a long time.A.waitingB.wait...
单项选择题Sorry to have kept you（）for a long time.
A.waiting B.wait C.waited D.to wait
Ships are always（）on water and they are easy to rust.A....
单项选择题Ships are always（）on water and they are easy to rust.
A.float B.floating C.floats D.floated
She arrived at the anchorage last night and anchored（）b...
单项选择题She arrived at the anchorage last night and anchored（）berth.
A.waiting B.awaiting C.awaiting for D.waited
