The best way to deal with complex problems is to _______ them _____ into smaller problems.
| A．break; down | B．break; in | C．break; out | D．break; through |
The machine is very easy _______. Anybody can learn to use it in a few minutes.
| A．operating | B．to be operating | C．operated | D．to operate |
The sun began to rise in the sky, __________ the mountain in the golden light.
| A．bathed | B．bathing | C．to have bathed | D．have bathed |
Do you think the shirt is too tight __________ the shoulders?
| A．at | B．on | C．to | D．across |
—This is ______room I told you before.
--I see. Isn’t it _____ bright one?
| A．a/ a | B．the/ a | C．the/ the | D．a/ the |
By the end of last year, another new gymnasium________ in London.
| A．have been completed | B．were completed |
| C．had been completed | D．was completed |