问题
单项选择题
There are a lot of vessel in the vicinity. Please（）signal lamp at me for indentification.
A.indicate
B.direc
C.correct
D.light
答案
参考答案：B
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There are a lot of vessel in the vicinity. Please（）signal lamp at me for indentification.
A.indicate
B.direc
C.correct
D.light
参考答案：B
