_______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
| A．As | B．That | C．This | D．It |
—I just can't stop worrying about the result of the English examination．
—___．There's nothing you can do now but wait．
| A．Take your time | B．Take it easy |
| C．Don't mind | D．Don't mention it |
As fuel prices rose, Taxi companies raised their fares and ___．
| A．so did the airlines | B．nor did the airlines |
| C．so the airlines did | D．nor the airlines did |
British scientists have produced ___ they believe is the world's smallest Christmas card．
| A．which | B．who | C．that | D．what |
The big fire in Shanghai, believed to ___ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there．
| A．have occurred | B．occur |
| C．have been occurring | D．be occurring |
A teacher's ___ to education is worth great respect of the whole society because it brings benefits to the development of society．
| A．devotion | B．principle | C．identity | D．guidance |