The problem had become _____ in his mind, and he could not decide what to do about it.

        A. simplified   B. exaggerated   C. matured   D. isolated

------Flight 302 to London_______ until 7:30 tomorrow morning.

-----No wonder I hear so many complaints from the passengers.

A.     has been delayed  B. delay  C. delayed  D. will be delayed

Thank you for all your hard work last week. I don’t think we ____ it without you.

A. can manage              B. could have managed

C. could manage            D. can have managed

This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.

A. would          B. should     C. could      D. might

Without the air to hold some of the sun’s heat, the earth at night ____ for us to live.

    A. would be freezing cold           B. will be freezing coldly

    C. would be frozen cold             D. can freeze coldly

Without the air to hold some of the sun’s heat, the earth at night ____ for us to live.

A. would be freezing cold            B. will be freezing coldly

C. would be frozen cold              D. can freeze coldly

It has been many years since I was last in London ＿＿ I still remember something that happened during that visit.

A. and                    B. for                    C. but                   D. as

The decide to_______ their holidays until next month for watching a multi-national naval parade in Qingdao.

A. delay             B. decay             C. put off            D. deliver

He was unaware of the financial crisis involed, so his choice was quite_____.

   A. rational            B. arbitrary           C. mechanical         D. predictable

12. — Oh, Rose. ______ you gave us!

— Really?

A. How a pleasant surprise 

B. How pleasant a surprise 

C. What pleasant surprise

D. How pleasant surprise