___to complete the job ontime, they set out to work immediately.

A.Determined　　　　　 B. Be determined

C. Havingdetermined　　 D.To be determined

The other day, my father drove his car down at ____I thought was a dangerous speed．

　 A．as　 　　　 B．what　　　　 C．which　　　 D．that

There being no witness on the spot, the police were delayed by the ________of information about the crime.

A. analysis　　　　 B. disappearance　　 C. absence　 D. consideration

—Where____you put my dictionary?

—I left it on your desk when you____to Tom.

A.did;spoke　　 B.have;were speaking C.had;spoke　 D.had;speaking

We must take care that ________ of these should get into the wrong hand.

A. no one　 B. not　 C. nothing D. none

Some researchers believe that there is no doubt________a cure for AIDS will be found.

A．which B．that

C．what D．whether

_________, the population of China is the largest in the world.

A. It is well known that　　　　　　　　　　 B. As is well known

C. Which is well known　　　　　　　　　　 D. We all know

n copying this paper, be careful not to _____ any words.

A. leave behind　　　 B. leave aside　　　 C. leave off　　　　　　 D. leave out

There’s growing unrest among the poor and unemployed. The media points out that it’s the government that should have a lot to ________.

A. answer for　 B. stand for C. go for D. care for