The _____ of his clothes indicated too clearly that he had been playing football.
| A．state | B．condition | C．occasion | D．situation |
As is natural , a man as old as he ______ be very forgetful.
| A．can | B．should | C．would | D．must |
---Did you visit the famous museum ?
---No. We ______ it. But we spent too much time shopping.
| A．can't have visited | B．could have visited |
| C．must have visited | D．shouldn't have visited |
---How exciting ! I drove my new car at a speed of 110km/h on Sunday morning.
---Were you crazy ? You ______ yourself !
| A．muxt have killed | B．would have killed |
| C．should have killed | D．could have killed |
When____, the museum will be open to the public next year.
| A．completing | B．completed | C．being completed | D．to be completed |
_____ the ladder, get someone to hold it.
| A．When climbed | B．When to climb |
| C．When climbing | D．When one climbs |