Many people thought little of me, but I did what ________.

[　　]

A．I thought I was right

B．I thought it was right

C．I thought was right

D．I was thought right

It was ________ back home after the experiment.

[　　]

A．not until midnight did he go

B．until midnight that he didn't go

C．not until midnight that he went

D．until midnight when he didn't go

________ is reported in the newspapers, talks between the two countries are making progress.

[　　]

A．It　　　　　　　B．As

C．That　　　　　　D．What

We cannot figure out ________ quite a number of insects, birds, and animals are dying out.

[　　]

A．that　　　　　　　B．as

C．why　　　　　　　D．when

________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

[　　]

A．To wait　　　　　　　B．Have waited

C．Having waited　　　　D．To have waited

The mayor of Beijing says that all construction work for the Beijing Olympics ________ by 2006.

[　　]

A．has been completed

B．has completed

C．will have been completed

D．will have completed

________ you have seen 60 fighters, ________ will win?

[　　]

A．Since; do you think who

B．As; who you think

C．When; who ever

D．Since; who do you think

　　——Dad, I've finished my assignment.

　　——Good, and ________ you play or watch TV, you mustn't disturb me.

[　　]

A．wherever　　　　　B．whether

C．whatever　　　　　D．no matter

They went ________ the hole ________ the wall and entered a strange world.

[　　]

If we want to succeed we must ________ what we do and who we are.

[　　]