问题 选择题

______ a good result,the professor decided to do the experiment once more.

A.Not getting

B.Getting not

C.Not having got

D.Having not got

答案

答案:C

考查非谓语动词。逻辑主语the professor,与have之间为主动关系,故用现在分词,根据句意用其完成式,否定应放在分词前。句意:没有得到好的结果,教授决定再次做这个实验。

选择题
选择题