问题
选择题
Do let your mother know all the truth. She appears everything.
A.to tell
B.to be told
C.to be telling
D.to have been told
答案
答案:D
考查不定式做宾语,句意:让你的母亲知道所有的事实吧。他似乎已经被告知了一切。根据句意不定式的动作发生在谓语动词之前,故不定式用完成时态。选D。