No damage of any kind ______ aids to navigation or navigation facilities.
A.should be done to
B.should not be done to
C.must be done with
D.must not be done with
正确答案是
No damage of any kind ______ aids to navigation or navigation facilities.
A.should be done to
B.should not be done to
C.must be done with
D.must not be done with
正确答案是