People complain that decisions to approve or deny a permit are often________rather than based on fixed criteria. (2013·湖北，27)
| A．appropriate | B．conscious |
| C．arbitrary | D．controversial |
The police were seeking more information to find out ____ the rich merchant.
| A．who was it that killed | B．who it was that killed |
| C．it was who killed | D．who was it killed |
_______surprised me most was the suggestion that he _____. 31-35 BBDAC
| A．What ; should make | B．What ;had made | C．That ;should make | D．That ; had made |
--Michael was late for Mr. Smith’s oral class this morning.
--____? As far as I know, he never comes late.
| A．How come | B．What of it | C．Why not | D．What for |
Before the operation, the doctor ___the nurse to be careful.
| A．kept | B．demanded | C．required | D．hoped |
The book you want is not ___now. I will let you know as soon as it is returned to the library.
| A．useful | B．possible | C．available | D．practical |