The room is too small and it is not fit_________.
| A．to be worked in | B．to work in | C．to work | D．to be worked |
In that school,French and Russian are optional,but English is___for all students
| A．special |
| B．regional |
| C．compulsory |
| D．original |
Not only___the data fed into it,but it can also analyze them
| A．the computer can memorize |
| B．can the computer memorize |
| C．do the computer memorize |
| D．can memorize the computer |
___so as to make our city green
| A．It is necessary to plant more trees |
| B．Many trees need to be planted |
| C．Our city need more trees |
| D．We must plant more trees |
___prevent cheating,the test questions are kept secret
| A．So as to |
| B．In order that |
| C．In order to |
| D．So that |
The moment she came back from work,she___to clean the kitchen thoroughly
| A．set out |
| B．set about |
| C．set off |
| D．set up |