______ from other continents for millions of years, so it has many plants and animals that cannot be found anywhere else in the world.
      A. Having been separated         B. Separated

C. It has been separated          D. Having separated

---How did your students express their thanks to you on Teachers’ Day?
   ---A gift together with many flowers _______ sent to me .
       A. is                   B. are        C. was           D. were

 ---What do you think of the five doll mascots for the 2008 Olympic Games?
   ---_______, they are lovely, but we can’t figure out what they mean easily.
       A. To tell the truth              B. I’m afraid 

C. Unfortunately                 D. As a matter of fact

 My teacher of English is really very kind. I’ll never forget the _______ he has done me.
       A. favor             B. deed           C. help         D. value

The____________ house smelled as if it hadn't been lived in for years.
   A. little white wooden        B. little wooden white

C. white wooden little       D. wooden white little

The woman was ______ by the business man’s offer of marriage and stupidly gave him most of her money.

A. taken on           B. taken in         C. taken off          D. taken out

---Mum, have you seen my mobile phone?
   ---_______ you bought last week? I’m afraid I haven’t seen _______.
       A. The one; it          B. The one; one         C. One; it            D. One; one

 The newly-founded expedition was __ lots of trouble, __ the financial problem is not the worst.
   A. up against; of which         B. faced with; which   

C. facing; to which             D. up with; among which

 I'm afraid we'll have to work extra hours for there are still some problems ________.
    A. remaining to settle           B. remaining to be settled

C. remained to be settled        D. to remain to settle

 Dr Brown has the habit of _____ the room when  he is thinking about something troublesome.
A. pacing                  B. stepping            C. walking             D. marching