In the past, ice used to ______ used to ______ the air in a room.
| A．be ;cooling | B．be; cool | C．being; cool | D．being; cooling |
The boy hot on the forehead. He must be sent to the hospital at once.
| A．is felt | B．felt | C．feels | D．was felt |
—It looks as if it’s going to rain, but I’m not sure whether the windows are shut in my apartment.
—You as well go back to have a look.
| A．should | B．might | C．need | D．can |
The number of sharks has fallen greatly in the past three years, so measures must be taken to oppose sharks illegally.
| A．people to hurt | B．people from hunting |
| C．people hurt | D．people’s hunting |
Since no evidence has been found so far he was guilty, he has to be set free.
| A．before | B．whether | C．that | D．when |
—Mary, do you still remember the first time we met?
—of course, You Helen’s birthday party with your friends in a restaurant.
| A．attended | B．had attended | C．were attending | D．have attended |