问题补充：
单选题Sofar,severalshipshavebeenreportedmissing_______thecoastofBermudaIsland.A.offB.alongC.onD.around
答案：
A解析off 用作介词时可表示距离，此时尤其用于指距离某一大路或靠近某海面。又如：Our house is about 20 meters off the main road. 我们家离大路大约有20米远。The ship anchored a mile off the coast. 轮船抛锚停泊在离海岸1英里的地方。Don’t eat anything ______ meals if you want to lose weight.
