In the last ten years, they _______ three great scientific experiments. 
#103919
A
finished
B
have finished
C
had finished
D
have been finished
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 The students _______ busily when Miss Brown went to get a book she _______ in the office.
#103023
A
had written; left
B
were writing; has left
C
had written; had left
D
were writing; had left
      ---____ the paper ?--- No, I have still got one page to finish.
#103668
A
Have you done
B
Do you do
C
Did you do
D
Had you done
 Sarah, hurry up. I’m afraid you won’t have time to_______ before the party.
#100728
A
get changed
B
get change
C
get changing
D
get to change