Not until the motorbike looked almost new repairing and cleaning it.
| A．he stopped | B．did he stop | C．stopped he | D．he did stop |
Some pre-school children go to a day care center, __________ they learn simple games and songs.
| A．then | B．there | C．while | D．where |
---Have you heard the latest news? ---No, What ________?
| A．is it | B．is there | C．are they | D．are those |
John was dismissed last week because of his ______ attitude towards his job.
| A．informal | B．casual | C．determined | D．earnest |
My morning ______ includes jogging in the park and reading newspapers over breakfast.
| A．drill | B．action | C．regulation | D．routine |
Since Tom ______ downloaded a virus into his computer, he can not open the file now.
| A．readily | B．horribly | C．accidentally | D．irregularly |