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 |
--Has the train arrived yet?---No, it ought to ___ twenty minutes ago.
| A．arrive | B．have arrived | C．be arriving | D．be arrive |
I didn't expect that so many people ___ to join in the work.
| A．had offered | B．were offered | C．would offer | D．used to offer |
Mr.Brown ___ goes to bed before midnight.
| A．hardly ever | B．almost ever | C．hardly never | D．seldom never |
Mr. Green always goes to ___ cinema on Sunday afternoon, while his wife goes to ___ church on Sunday morning.
| A．the, the | B．/, / | C．/, the | D．the, / |
Young people who have got jobs may realize university lessons can’t be the only
preparation for all of the situations____appear in the working world.
| A．where | B．when | C．that | D．what |