It’s said that________of the water around the world________polluted．
| A．two third；has |
| B．two thirds；have |
| C．two third；are |
| D．two thirds；is |
The football match was really fantastic, _________ when Smith scored in the last minute.
| A．probably | B．exactly | C．especially | D．mostly |
— Could I have an interview with Mr Green now, please?
— Sorry, he _________ a meeting. You’d better wait a minute.
| A．has | B．had | C．is having | D．was having |
Most Brazilians get along well with each other, _________ they are from different races(种族), including Americans, European settlers, and Africans,.
| A．although | B．as a result | C．since | D．unless |
— Excuse me, will the plane for Beijing _________within an hour?
— I’m not sure. You can go to the Information Desk for help.
| A．get off | B．take off | C．turn off | D．show off |
— Sorry, I’m late. Has the film begun?
— It doesn’t matter. The film _________ for several minutes.
| A．has just begun | B．has just been over |
| C．has just been on | D．has just ended |