—The terrible accident is under investigation.
—Actually, quicker action _________ those workers trapped in the mine.
| A．might have saved | B．must have saved | C．should have saved | D．could have saved |
Ladies and gentlemen, please raise your glasses and drink a _______ to the success of the new company.
| A．privilege | B．potential | C．toast | D．ambition |
_____ an important decision more on emotion than on reason, you will regret it sooner or later.
| A．Based | B．Basing | C．Base | D．To base |
A modern gymnasium has been set up in ________ was a wasteland ten years ago.
| A．which | B．that | C．where | D．what |
After about one hour of the play between China and Korea, the ______ was 3-2 in our ______.
| A．score; favour | B．score; side | C．point; favour | D．point; side |
Various efforts over the centuries _________ to predict earthquakes to reduce the damage.
| A．are being made | B．have been made | C．were made | D．were being made |