问题补充:
is no doubt that the world is being smaller, due to the technological advances made by the computer.
A. It
B. There
C. That
D. This
答案:
A. It
(答案→)B. There
C. That
D. This
解析:考查固定句型。句意:因为有了电脑带来的科技进步,世界正在变小是毫无疑问的。There is no doubt that...“......是毫无疑问的”,是一个固定句型,是there be句型的变型。故选B。