I think ________ good knowledge of English is ________ great help when you are traveling around the world.
| A．不填;a | B．a; a | C．a; the | D．a; 不填 |
The visiting minister expressed his satisfaction with the talk, _________ that he had enjoyed his stay here.
| A．having added | B．to add | C．adding | D．added |
The Turners consider ____ a computer, which is commonly considered _________ a great help in our work and study.
| A．to buy; to be | B．buying; to be |
| C．to buy; being | D．buying; being |
To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.
| A．as | B．to | C．than | D．while |
The first satellite ____telephone signals was called Early Bird.
| A．was used to send | B．used to be sent |
| C．was used to sending | D．used to send |
How is he now? Is he slowly ____?
| A．getting up | B．coming up |
| C．picking up | D．rising up |