17. Besides our group ,we need 20 extra workers to get the work finished in time.
| A．around | B．about | C．or so | D．some |
A Belgian French-language daily has issued _______ is thought to be Europe’s first 3D newspaper —complete with cardboard viewing glasses.
| A．what | B．where | C．that | D．which |
_______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
| A．Being examined | B．Examined |
| C．Examining | D．Having been examined |
The international agreement, _______ encourage children not to smoke and help people to kick the habit, was signed on 27 February.
| A．intending to | B．being intended to | C．intended to | D．to intend to |
Oetzi, the 5,000 years old “Iceman”, ______on the alpine border between Italy and Austria in 1991.
| A．was discovering | B．was discovered | C．had been discovered | D．discovered |
________ a child begins school, he enters a world of vicious competition where success and failure are clearly defined and measured.
| A．Before | B．Until | C．Whenever | D．The moment |