单项选择题
A.I hope I have not kept you waiting for long. B. I hope I have not kept you waiting for a short time. C. I hope I have not kept you waiting for a while. D. I hope I have not kept you waiting for a little time.
A.I want to see the captain. B.I want to see the bosun. C.I want to see the chief officer. D.I want to see the second officer.
A. Mind your head B. Mind your step. C. Look at your head. D. Look at your foot.