They use computers to keep the traffic _________ smoothly.
| A．being run | B．run | C．to run | D．running |
There is no need to add in trees to create shade because many town and city gardens are __________shaded by buildings.
| A．occasionally | B．instantly | C．permanently | D．roughly |
One of the great things about science is that it has taught us to be __________about surface appearances. The world seems flat, but it is, in fact, round.
| A．accurate | B．creative | C．consistent | D．skeptical |
Decision-makers will take a __________ approach to opening new stores as the global economy slows down.
| A．cautious | B．concise | C．vital | D．severe |
It is believed that the tight employment market has forced job seekers to_______whatever work is available.
| A．take up | B．take down | C．take off | D．take on |
The FBI last night released pictures of two men __________ planting the bombs which brought great damage to the Boston Marathon.
| A．informed of | B．approved of | C．suspected of | D．reminded of |