According to a recent U.S. survey, children spend up to 25 hours a week ________TV.

A．to watch

B．to watching

C．watching

D．watch

I had to buy ________these books because I didn't know which one was the best.

A．both

B．none

C．neither

D．all

________ two exams to worry about, I have to work re- ally hard this weekend.

A．With

B．Besides

C．As for

D．Because of

_______, 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 teacher, with 6 girls and 8 boys of her class____visiting a museum when the earthquake struck.

A．was

B．were

C．had been

D．would be

The mayor of Beijing says that all construction work for the Beijing Olympics ________ by 2008.

A．has been completed

B．has completed

C．will have been completed

D．will have completed

George Orwell, ________was Eric Arthur, wrote many political novels and essays.

A．the real name

B．what his real name

C．his real name

D．whose real name

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

—Thank goodness, you are here! What ________ you?

—Traffic jam．

A．keeps

B．is keeping

C．had kept

D．kept

It shames me to say it，but I to1d a lie when ________. at the meeting by my boss．

A．questioning

B．having questioned

C．questioned

D．to be questioned