Every time they met, they ____ talk about former classmates they remembered.
——Did you reach the top of the mountain? —— Yes. Even I myself didn’t believe I could make__________.
——The police have caught the murderer. ——Yes, and he admitted ___________his boss on a rainy night seven years ago. A. to kill B to have killed C having killing D have been killed
It's important for us to employ a word or a phrase according to the _________ in language studies.
My goodness, how lucky we are! If there had been p1aces for us on the aero plane, we _____dead now.
However, in ________ recent years, _________ Niagara Falls have come to be appreciated more for their natural beauty as _________ wonder of Nature.