228. Now more and more people prefer to have a ______ at home --- a little dog, a cat or some other animals.
| A．habit | B．hobby | C．parrot | D．Pet |
---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 |
At minus 130℃, a living cell can be ______ for a thousand years.
| A．spared | B．protected | C．preserved | D．developed |