21. --- Why don’t you like your job ?
--- It’s always being ___by my director .
| A．watched at | B．watched out | C．watched over | D．watched on |
The World Expo is like ____ great stage for cultural exchange, bringing people into closer contact with _____ rest of the world．
| A．a; 不填 | B．the; 不填 | C．a; the | D．the; the |
—Did you have a good time in Veitnam last week?
---______, it was too hot.
| A．Not really | B．Yeah, why not |
| C．oh, great | D．You are right |
—Beijing experienced _____ heaviest snowfall in ____ month of January .
| A．\ ; a | B．a ; the |
| C．the ; the | D． the ; a |
We already have ______pencils, but we need two ____ pens.
| A．dozen of ; dozen | B．dozens of ; dozens |
| C．dozens of ; dozen | D．dozen; dozen |
Why are you leaving right now? You promised to stay ____ hours.
| A．both two | B．more two |
| C．two another | D．another two |