Is this the reason ________ at the meeting for his carelessness in his work?

[　　]

A．he explained

B．what he explained

C．how he explained

D．why he explained

Now that she is out of a job, Lucy ________ going back to school, but she hasn't decided yet.

[　　]

A．had considered

B．has been considering

C．considered

D．is going to consider

The Foreign Minister said,“________ our hope that the two sides will work towards peace.”

[　　]

A．This is　　　　　　　B．There is

C．That is　　　　　　　D．It is

________ is the top player in this football team?

[　　]

A．Who do you think

B．Do you think whom

C．Whom do you think

D．Do you think whose else

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