Once new difficulties __________ in your work, it's always important to use your brains.
| A．raise |
| B．arise |
| C．arouse |
| D．rise |
Food prices are climbing around the world because farmers can't ____ demand for grain．
| A．catch up with | B．keep up with |
| C．grow out of | D．put up with |
Most of the professors _____ to our school were from South Africa．
| A．invited | B．to be invited | C．being invited | D．had been invited |
——Shall we go skating or stay at home?
—— Which _____ do yourself?
| A．do you rather | B．would you rather |
| C．will you rather | D．should you rather |
This is _______ story I’ve told you about．Isn’t it _______ interesting one?
| A．the; the | B．a; an | C．the; an | D．an; the |
This is the first time that I _____ the summer palace．
| A．had visited | B．have visited | C．visit | D．visited |