How lucky he was! He ____ involved in the murder.
| A．must have been | B．can have been | C．could have been | D．would have been |
Sports and games should not be _____ only _____ amusements
| A．looked : for | B．spent : on | C．taken: for | D．treated : as |
His son was put in _____ prison. He went to _____ prison to see him yesterday.
| A．/ : / | B．the : the | C．/ : the | D．the : / |
The light is still on. He _____ to turn it off when he _____ the room.
| A．may forget: leave | B．must have forgotten : left |
| C．may forget : have left | D．could have forgotten : left |
The reason ______he was late for class was not the reason ______he gave me.
| A．that ; where | B．why; because | C．which; that | D．why; that |
She heard a terrible noise,______brought her heart into her mouth.
| A．it | B．which | C．this | D．that |