It was a pity that the great scientist died      his research unfinished. 
#91295
A
for
B
with
C
from
D
of
推荐题目
We drove to the airport to meet an expert from Germany, about 50 years old, his hair ________.
#91163
A
was completely grey
B
be completely grey
C
to be completely grey
D
completely grey
______, we had to put off the tennis match. 
#91266
A
It being rainy
B
There being raining
C
Having been raining
D
Being rainy
All the task ____ ahead of time, they decided to go on holiday for a week.
#91626
A
had been finished
B
were finished
C
having been finished
D
been finished