StephenHawking,       “thegreatestgeniusofthelate20thc...

问题详情：

 Stephen Hawking,        “the greatest genius of the late 20th century”, announced that there are really grey holes in the universe.

         A. calling               B. to call         C. to be called           D. called

【回答】

D

知识点：非谓语动词

题型：选择题