.（上海卷28）. Every few years, the coal workers. their lungs X-rayed to ensure their health.
| A．are having | B．have | C．have had | D．had had |
All the citizens strongly insist those found _____ "harmful" advertisements in the street should be punished strictly．
| A．putting up | B．being put up |
| C．put up | D．to be putting up |
All the preparations for the task _____, and we’re ready to start．
| A．completed | B．complete |
| C．had been completed | D．have been completed |
A lot of people find it useful to have a phrasebook when they travel to a country _____they don’t know the language．
| A．where | B．when | C．why | D．which |
The Arabian Nights _____ well known all over the world, in which many a story_____ interesting and instructive．
| A．is; are | B．are; is | C．are; are | D．is; is |
No sooner _____ on the TV than I heard the news that the stampede in Cambodia’s capital, Phnom Penh, had left 375 victims dead．
| A．had I turned | B．did I turn | C．I had turned | D．I turned |