There is no doubt that the increase in demand _____ the rise in prices.
| A．leads to | B．refers to | C．applies to | D．adapts to |
The chemistry teacher demanded that the laboratory report _______ immediately after the experiment was done.
| A．to be written | B．would be written | C．be written | D．must be written |
--- Has Li Lei finished his work today?
--- I have no idea, but he ______ it when I saw him this morning.
| A．had done | B．would do | C．was doing | D．did |
_____ Sun Yue has been selected into the L.A.Lakers(湖人队), he might as well make full use of the chance.
A. After B. Although C. As soon as D. Now that
Thousands of Haitians cheered as the Chinese medical team arrived，many of ____ even cried with joy.
| A．those | B．them | C．whom | D．who |
Some experts think the wolf's team spirit for survival is ____ is needed in today’s competitive culture.
| A．that | B．what | C．which | D．how |