单项选择题

当心别碰头。（）

A. Mind your head
B. Mind your step.
C. Look at your head.
D. Look at your foot.

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单项选择题

A. Hello, who are you looking for?
B. What can I do for you ?
C. Are you looking for anyone?
D. Who are you?

单项选择题

A. Where is the AB?
B. Where is the bosun?
C. Where is the captain?
D. Where is the chief officer?

单项选择题

A. What are you?
B. How are you?
C. Who are you?
D. Where are from?