My visits will encourage people _ the project to devote themselves to it.
| A．work on |
| B．working on |
| C．being working |
| D．work |
Why not look up the new word in a dictionary_______you don't know it?
| A．if |
| B．that |
| C．though |
| D．whether |
I don't think he could have done such a stupid thing last night,_______ ?
| A．did he |
| B．could he |
| C．do I |
| D．hasn't he |
You should take more exercise to _______ your strength after your recovery.
| A．et up |
| B．urn up |
| C．show up |
| D．build up |
_______two exams to worry about,l have to work really hard this weekend.
| A．Besides |
| B．Because |
| C．With |
| D．As for |
We had a tiring meeting _______ I kept falling asleep.
| A．which |
| B．that |
| C．where |
| D．during which |