228. Oh, the classroom is so dirty. It needs ______ before we begin our class.
| A．cleaned | B．being cleaned | C．to clean | D．Cleaning |
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 |
I’ll be going to work on foot while my bicycle_____.
| A．is being repaired | B．is repaired |
| C．will repaired | D．has been repaired |