The meeting was _____ at ten o’clock, but the chairman hadn’t turned up by eleven o’clock.
| A．start | B．have started | C．be starting | D．be started |
The last half of the nineteenth century _____ the steady improvement in the means of travel.
| A．has witnessed | B．was witnessed | C．witnessed | D．is witnessed |
Once environment damage _____, it takes many years for the system to recover.
| A．has done | B．is to do | C．does | D．is done |
As _____ announced in today's papers, the Shanghai Export Commoditiser Fair is also open on Sunday.
| A．being | B．is | C．to be | D．been |
–It must have been lots of fun riding round in a car.
–Yes, you know this was the first time that _____ round in my own car.
| A．I rode | B．I should have ridden |
| C．I’ve been riding | D．I’d ridden |
Until then, his family _____ from him for six months.
| A．didn't hear | B．hasn't been hearing |
| C．hasn't heard | D．hadn't heard |
It's reported that by the end of this month the output of cement in the factory _____ by about 10%.
| A．will have risen | B．has risen | C．has been risen | D．will be rising |
Active reading will result in a better understanding of what _____.
| A．is being read | B．to be read | C．to read | D．being read |
The fifth generation computers, with artificial intelligence, _____ and perfected now.
| A．developed | B．have developed |
| C．are being developed | D．will have been developed |
This kind of glasses manufactured by experienced craftsmen _____ comfortably.
| A．is worn | B．wears | C．wearing | D．are worn |
While people may refer to television for up-to-the-minute news, it is unlikely that television _____ the newspaper completely.
| A．replaced | B．have replaced | C．replace | D．will replace |
–Who is Jerry?
–_____? I saw you shaking hands with him at the meeting,
| A．Don’t you meet him yet | B．Hadn’t you met him yet |
| C．Didn’t you meet him yet | D．Haven’t you met him yet |
The growth of part time and flexible working patterns, and of training and retraining schemes, _____ more women to take advantage of employment opportunities.
| A．have allowed | B．allow | C．allowing | D．allows |
Sound travels in the same way as light _____.
| A．travel | B．has done | C．traveled | D．does |
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