Some researchers are finding that daydreaming may be important to ____ mental health. Daydreaming, they say, is _____ good means of relaxation.

A．the; /            B．/; the        C．/;/            D．/; a

I called the airline to ____ my flight reservation a week before I left for Canada.

A．obtain         B．admit          C．confirm           D．appoint

_____ that you are chosen to be a volunteer at Beijing Olympics Games, what will you do?

A．Assuming            B．Assumed           C．To assume          D．To be assumed

_____ this afternoon, you would have to come again next week.

A．The boss were not to return                  B．The boss didn’t return

C．Didn’t the boss return                   D．Were the boss not to return

The view ____ many scientists hold is ____ too much emission of carbon dioxide is destructive.

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

Why do we have to ____ Sue’s selfish behavior? We should teach her to care for others.

A．make up for         B．split up         C．put up with           D．get rid of

–I hope you’ve read the instructions.

--Yes, of course _____.

A． I have           B．I do         C．I will          D．I did

With April 18’s railway speedup, highway and air transport will have to compete with ____ service for passengers.

A．the best            B．best         C．better           D．good

We don’t think it any good ___ children _____ online without any restriction.

A．allow; to chat                               B．allowing; chatting

C．to allow; chatting                      D．allowing; to chat

Their early success was ____ by a period of miserable failure.

A．struck            B．undertaken                C．violated            D．succeeded