问题
选择题
Wang Hua is said ____a new computer program recently, but I don’t know when she will finish it.
A.to design
B.to be designing
C.to have been designing
D.to have designed
答案
答案:C
考查非谓语动词。根据句意及时间状语recently,可知用不定式的完成进行时。句意:据说王华最近正在设计一种新的电脑程序,但我不知道她生命时候完成它。