（)they are doing has never been done before.A. ThatB. WhatC. WhyD. Whether

They are poor but proud; they never borrow money or ask for help.（英译中)

Mary has never been （)a ship.A、abroadB、aboardC、aboveD、absorb

"Tom has been to New York" entails______.A．Tom has been to AmericaB．Tom has never been to

The world has never been more closely and intricately connected. Our behavior【C1】______the

（) they are doing has never been done before.

Intelligence at best is an assumptive construct -- the meaning of the word has never been