_____________ worries me the way he keeps changing his mind.
| A．This | B．That | C．What | D．It |
These surveys indicate that many crimes go _____ by the police, mainly because not all
victims report them．
| A．to be unrecorded | B．unrecorded |
| C．to have been unrecorded | D．unrecording |
The wealth of a country should be measured _____ the wealth and happiness of its people as well as the material goods it can produce．
| A．in terms of | B．in line with | C．in regard with | D．in favour of |
As the saying goes, one is never too old to learn．After he _____, he will devote himself to gardening．
| A．retired | B．has retired | C．will retire | D．had retired |
----You just think of yourself! You kept me waiting for at least three hours．
----I am sorry that you _____ think so．
| A．would | B．might | C．could | D．should |
Some say one thing, but _____．
| A．other, another | B．others, the other |
| C．others, another | D．the others, others |