--Do you mind my sitting here?--____.
| A．Yes, have a seat, please. | B．Yes, please take this seat |
| C．No, of course not | D．No, you can’t sit here |
——Did you reach the top of the mountain?
—— Yes. Even I myself didn’t believe I could make__________.
| A．that | B．it | C．myself | D．them |
——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.
| A．situation | B．expression | C．condition | D．translation |
My goodness, how lucky we are! If there had been p1aces for us on the aero plane, we _____dead now.
| A．will be | B．would be | C．would have been | D．had been |
However, in ________ recent years, _________ Niagara Falls have come to be appreciated more for their natural beauty as _________ wonder of Nature.
| A．/; the; a | B．the; /; the | C．/; the; / | D．the; /; a |