-_____ you read the story?
-Yes. I _____ it at school.
| A．Have; read | B．Did; read |
| C．Have; have read | D．Did; have read |
Liu Xiang,in the 2004 Olympic Games,_________ the 110 m hurdle world record.
| A．exchanged | B．repeated | C．combined | D．equaled |
The headmaster was dismissed three months ago.The post is too important to leave __________ any longer,especially before the college entrance examination.
| A．alone | B．away | C．vacant | D．occupied |
There are a lot of computers in the lab,and they need professional __________ to make sure they can be in a good state.
| A．operation | B．maintenance | C．service | D．advice |
He is __________ every day.He has never been late for school.
| A．busy | B．diligent | C．careful | D．punctual |
Universities have to provide student __________ for first-year students.
| A．adjustment | B．qualification | C．commitment | D．accommodation |