问题
单项选择题
There is a vessel carrying（）hydrographic survey in the area marked by red lights.
A.on
B.in
C.out
D.with
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
There is a vessel carrying（）hydrographic survey in the area marked by red lights.
A.on
B.in
C.out
D.with
参考答案：A