A ship with a heavy load is said to have sunk______ the coast of Southeast China.A.onB.inC

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A ship with a heavy load is said to have sunk______ the coast of Southeast China.

A.on

B.in

C.off

D.at

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗