By the time he retires, professor Baker _____ for almost forty years．
| A．will have taught | B．had taught |
| C．has taught | D．is teaching |
When he came back, he found the bag he had ____ over the seat was gone.
| A．left to hang | B．left hanging | C．left hung | D．to leave hanging |
__________ , he is not yet ready to turn professional.
| A．Gifted though is he | B．Gifted as is he | C．Gifted as he is | D．Though is he gifted |
All these changes will lead to __ strong and powerful China, __ country that can surprise and enrich our planet.
| A．a ;a | B．the ; a | C．the ; the | D．a; the |
Many people were________ from our hotel during May Day holidays because all the rooms in our hotel had been engaged.
| A．turned over | B．turned out | C．turned away | D．turned in |
_________ your proposal , I am pleased to inform you that most committee members consider it acceptable.
| A．Considering | B．Concerning | C．Seeing | D．Supposing |