I still remember ____ to the Summer Palace and what I saw there.
| A．taking | B．to take | C．to be taken | D．being taken |
Either you or one of your students___to attend the meeting that is due tomorrow
| A．are |
| B．is |
| C．have |
| D．be |
The father as well as his three children___skating on the frozen river every Sunday afternoon in winter
| A．is going |
| B．go |
| C．goes |
| D．are going |
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 |